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How can I start advertising on Google without hiring an agency?

  • Writer: Jesse Heslinga
    Jesse Heslinga
  • Jul 14
  • 12 min read

Plenty of service-business owners run their own Google Ads, and a lot of them do fine. If you have a couple of focused hours a week and you're willing to learn a few things, you can set up an account, get real leads coming in, and keep control of your own spend. The buttons are learnable. Google wants you spending, so it's built the setup to be doable on your own.


I'll put my bias on the table up front: I run a Google Ads agency, so at some point I'd say you're better off with help. But this post is the honest DIY path, not a pitch. I'll walk you through what you need before you start, the setup steps in order, what to actually watch once it's live, and the point where doing it yourself starts costing you more than it saves. By the end you'll know how to start, and you'll be able to judge for yourself when help is worth it.


The Short Answer

  • Yes, you can start Google Ads yourself. Before you spend a euro, get three things ready: conversion tracking, a landing page that can turn a click into a lead, and a short list of high-intent keywords for what you sell.

  • Start with a Search campaign, phrase or exact match keywords, Search Partners and Display Expansion turned OFF, and a tight negative keyword list. Skip Google's "Smart" default campaign flow, it hides these controls.

  • With no conversion data yet, bid to Maximise Clicks or Manual CPC first. Only switch to Smart Bidding (Maximise Conversions / Target CPA) once you're getting real conversions, roughly 15 to 30 a month.

  • Watch the Search Terms report weekly and add negatives. This one habit saves more wasted spend than anything else a beginner can do.

  • DIY makes sense when spend is low and you have the time. It stops paying off when the account's wasted spend, or your own hours, cost more than help would.

What you actually need before you spend a euro


Most accounts that fail as a DIY project fail before the first ad runs, because the owner jumped straight to picking keywords. Three things need to exist first, or you're flying blind.


  • Conversion tracking, so you can see which clicks turn into leads and which just cost you money.

  • A landing page that can actually convert, a clear offer, a phone number, a short form, fast load.

  • And a short keyword list built from how buyers search when they want to hire, not when they're researching.


Get these three right and the rest of the setup is mostly filling in fields.

What you need

Why it matters

Free or paid

Conversion tracking (Google tag + GA4, plus call tracking)

Without it, Google optimises toward clicks, not leads. You can't tell good spend from waste.

Free (GA4, Google tag); call tracking like CallRail is paid

A landing page that converts

A great click on a weak page still costs you a lead. The page does half the work.

You likely already have one; improving it is time, not money

A high-intent keyword list

Buyer-intent terms ("emergency plumber near me") pull real leads; research terms burn budget.

Free (Google Keyword Planner)

A realistic monthly budget

Below a floor, the account can't gather enough data to work.

Your spend

A few hours a week

Google Ads is a live auction, not a set-and-forget billboard.

Your time

Verdict: if tracking, a converting page, and a tight keyword list aren't in place, don't turn ads on yet. That prep is 80% of whether DIY works.

Pro Tip: Build the keyword list around what someone types when they're ready to buy, not when they're browsing. "Cost of a new boiler" is a researcher. "Boiler replacement [your town]" is a buyer. Bidding on the first one is how beginners burn a budget fast.

Set up conversion tracking first (before any spend)

This is the step almost everyone skips, and it's the one that decides whether the whole thing works. Conversion tracking tells Google, and you, when a click became a real lead: a form filled, a call made, a booking. Without it, Google's automation optimises toward whatever it can see (clicks and cheap traffic), which has no reliable link to your actual leads.


The honest order for a service business:

  1. Create a conversion action in Google Ads (Goals → Conversions → New). Set one up for form submissions and one for phone calls.

  2. Install the Google tag on your site, or link your GA4 property and import your key events. GA4 is free and does the heavy lifting for form and page-based conversions.

  3. For calls, add call tracking. Most service leads come by phone, and a plain Google tag won't tell you which ad drove which call. A tool like CallRail records the call as a conversion and ties it back to the ad. This one is paid, but for phone-heavy businesses it's the difference between guessing and knowing.

  4. Turn on Enhanced Conversions. Google's own guidance calls this the single biggest accuracy improvement you can make in 2026, and it's a checkbox, not a project.

  5. Test it before you spend. Use GA4's real-time view or Google Tag Assistant to fire a real test lead and confirm it lands.


Verdict: no conversion tracking, no launch. An account without it spends the same money, you just can't measure where it went.


The setup steps, in order

Once your tracking and landing page are ready, the build itself is straightforward. Do it in this order and skip Google's guided "Smart" flow, which hides the controls that keep spend under control.

  1. Create a Search campaign. Not Performance Max, not Display, not the default "Smart campaign." A plain Search campaign is where a beginner has the most control and the clearest signal.

  2. Turn off Search Partners and Display Expansion. Both are ON by default and both quietly send your budget to placements outside Google Search, usually lower intent. Uncheck them.

  3. Set one location and a sensible radius. Only the areas you actually serve. A national default on a local business wastes half the budget on day one.

  4. Add keywords in phrase or exact match. Avoid broad match at the start. Broad match can work, but only with strong conversion data, Smart Bidding and a tight negative list behind it, none of which a new account has yet. Without those, broad match haemorrhages spend on irrelevant searches.

  5. Add a starter negative keyword list. Block "free," "jobs," "salary," "DIY," "how to," and anything that signals a non-buyer. You'll add more every week.

  6. Write 2 to 3 responsive search ads per ad group, each speaking to the keywords in that group, with a clear call to action.

  7. Set your bidding to Maximise Clicks or Manual CPC to start (more on why in the next section).

  8. Set a daily budget equal to your intended monthly spend divided by 30.4.


Verdict: a tight single Search campaign with partners and expansion off beats a sprawling default setup every time. Start narrow.

Common mistake: letting Google walk you through the "Smart campaign" setup because it's easier. It's easier because it removes the controls (match types, negatives, Search Partners) that stop you wasting money. Choose the standard Search campaign, and take the extra ten minutes.

Bidding when you have no conversion data yet

This trips up beginners because Google pushes Smart Bidding (Maximise Conversions, Target CPA) hard, and it's genuinely good, once it has data. On a brand new account it has none. Point Smart Bidding at zero conversions and it optimises toward engagement signals that may have nothing to do with your leads.


So start manual. Maximise Clicks or Manual CPC gives you direct control while the account gathers signal. Your job in these first weeks is simple: get clean conversions flowing and keep the search terms tidy. Once you're clearing roughly 15 to 30 conversions in 30 days, switch to Maximise Conversions or Target CPA, and let the automation take over. Below that volume, Smart Bidding is guessing.


The learning period is real. When you switch strategies or make a big change, Google resets and re-learns, typically two to six weeks depending on your conversion volume. Low-volume accounts (under 15 conversions a week) can sit in learning far longer, or never fully exit. So make your changes deliberately and then leave the account alone to learn.


Verdict: manual bidding first, Smart Bidding once you have conversions. Bidding to clicks when you should be bidding to leads is the classic beginner money-waster.

Keep in Mind: every big change (bidding strategy, a large budget jump, restructuring campaigns) restarts the learning period. Resist the urge to tinker daily. Change one thing, give it a couple of weeks, then judge it.

What to watch and measure once it's live

Setup is a one-time job. Running the account is the ongoing one, and it's where DIY either works or slowly leaks money. You don't need to live in the account, but you do need a weekly habit.

The single most valuable one: read the Search Terms report every week. This shows the actual searches that triggered your ads, which is almost never exactly what you bid on. You'll find irrelevant queries you're paying for. Add them as negatives. This one loop, week after week, saves more wasted spend than any clever tactic.


Beyond that, watch a short list:

What to check

How often

What you're looking for

Search Terms report

Weekly

Irrelevant queries to add as negatives

Cost per lead (per campaign)

Weekly

Whether it's stable, and how it compares to your benchmark

Conversion tracking health

Monthly

That conversions are still firing and not double-counting

Lead quality (not just lead count)

Ongoing

Are the leads actually turning into customers, or just cheap form fills

That last row matters most and is the hardest to automate. Google will happily hand you lots of cheap conversions that never become paying customers. Cheap leads that don't close aren't a win. Judge the account on booked jobs, not on the conversion number in the dashboard.


For a sense of what "normal" looks like, the 2026 WordStream/LocaliQ benchmarks put the average search cost per lead around $67, but it swings hard by vertical: roughly $40 for medical, $73 for dental, $91 for home improvement, up to $132 for legal. Use your row as a rough gauge, not a target. A well-run account beats it; a loose one on defaults does worse.


Verdict: the weekly Search Terms cleanup plus honest lead-quality tracking are the whole job. Do those two and you're ahead of most self-run accounts.


The beginner mistakes that quietly waste money

Most DIY budget waste comes from a handful of default settings and habits. None of them are hard to fix once you know them.

Mistake

What it costs you

The fix

No conversion tracking

You optimise blind, toward clicks not leads

Set up tracking before you spend (see above)

Broad match with no negatives

Ads show on wildly irrelevant searches

Start phrase/exact, add negatives weekly

Search Partners + Display Expansion left ON

Budget leaks to low-intent placements

Turn both off in campaign settings

Smart Bidding with no conversion data

Google optimises toward the wrong signals

Start manual, switch once you have ~15-30 conversions/month

Bidding to clicks, judging on clicks

Cheap traffic that never becomes customers

Judge on cost per qualified lead and booked jobs

Tinkering daily

You keep resetting the learning period

Change deliberately, then leave it two weeks

Notice how many of these are just default settings you have to switch off. Google's out-of-the-box account is built to spend, not to spend efficiently. The gap between the two is where a new advertiser leaks money.


Verdict: fix these six and you've closed most of the DIY leaks. They're all learnable in an afternoon.


Where DIY hits its ceiling

The honest part: setup is learnable, and the weekly routine is doable. What's genuinely hard is the judgment: telling a normal plateau from a real problem, knowing when a rising cost per lead is a competitor bidding harder versus your own tracking drifting, spotting that a chunk of spend is quietly going to brand searches or near-duplicate queries that a fresh pair of eyes would catch. That judgment comes from running a lot of accounts, and it's the part you can't shortcut with an afternoon of reading.

DIY makes sense when your spend is low and your time is available. The maths is simple: while you're spending a few hundred a month and can spare the hours, doing it yourself is the right call. It stops paying off at the point where the wasted spend in the account, or the value of the hours you're putting in, costs more than help would. If you're spending €3,000 a month and 20% of it is leaking on queries you'd catch with more experience, that leak is bigger than a lot of management fees.


I recently ran an audit for a business owner with a car detailing shop who had set up Google Ads himself. I quickly spotted the usual mistakes inexperienced advertisers make: no conversion tracking, every keyword on broad match, and way too many ad groups for the budget. I fixed the conversion tracking first, then tightened up the keyword selection and wrote new, improved ads. Cost per lead dropped quickly, because now the budget was going to high-intent keywords. It was a small account, so this owner was fine handling it himself after my audit and a few instructions.

Verdict: doing it yourself is smart while spend is low and time is free. When the leak or your hours cost more than help, that's the signal, and only you can see your own numbers.

How I handle this for lead-gen businesses


I run Google Ads for lead-gen service businesses, so I'm the biased party here, and I'll say plainly: if you're just starting and your spend is small, doing it yourself is often the right move. Learn the account, feel the levers, and don't pay a fee you don't need yet.


When owners bring me an account, it's usually because they've hit the ceiling above. The setup is fine, but the account has plateaued, or spend is leaking in ways that are hard to see from the inside. What I do is boring and it works: clean the search terms hard, make the tracking tell the truth (especially calls), concentrate the budget where it earns, and judge everything on qualified leads and booked jobs. Same budget, less waste. If your numbers say you're not there yet, I'll tell you.

Ready to check whether your own account is leaking? If you've been running Google Ads yourself and you're not sure whether it's working as well as it could, a second set of eyes is worth ten minutes. I'll look at your search terms, your tracking, and where the budget's actually going, and tell you straight whether you're leaving money on the table or doing fine on your own.

Frequently Asked Questions

Yes. A motivated service-business owner can set up and run a Google Ads account without an agency. The setup is learnable in an afternoon, and the ongoing work is a weekly routine: clean the search terms, add negatives, watch cost per lead. What's harder is the judgment that comes from running many accounts, which is where help starts to earn its fee.

Enough to gather data. Google's automation needs roughly 15 to 30 conversions a month to bid well, so your realistic floor is your cost per lead times about 20 to 30. For many local service businesses that lands around €1,500 to €3,000 a month. If your budget is below that, run one very tight campaign so the few conversions concentrate.

The buttons aren't. You can learn the setup, match types, and conversion tracking from Google Ads Help and a weekend of reading. The hard part is judgment: knowing a normal plateau from a real problem, and spotting quiet waste. That takes reps across many accounts, which is the honest gap between DIY-competent and expert.

Yes, before day one. Set it up before you spend a euro. Without it, Google optimises toward clicks instead of leads, and you can't tell good spend from waste. Use the free Google tag and GA4 for forms, and add call tracking (like CallRail) if most of your leads come by phone, which for service businesses they usually do.

Manual first. Smart Bidding needs conversion data to work, and a new account has none, so it optimises toward the wrong signals. Start with Maximise Clicks or Manual CPC while you gather conversions. Once you're clearing roughly 15 to 30 conversions in 30 days, switch to Maximise Conversions or Target CPA and let the automation take over.

No. Broad match can perform, but only with strong conversion tracking, Smart Bidding and a tight negative list behind it, none of which a new account has. Without those, it shows your ads on wildly irrelevant searches and drains the budget. Start with phrase or exact match, then test broad later once the account has data.

Search Partners and Display Expansion, both of which are on by default and send budget to lower-intent placements outside Google Search. Also avoid the guided "Smart campaign" flow, which hides the controls (match types, negatives) that keep spend efficient. Choose a standard Search campaign and set your own location radius tightly.

When the maths flips. While spend is low and you have the time, DIY is the right call. It stops paying off when the wasted spend in the account, or the value of your own hours, costs more than management would. If you're spending a few thousand a month and a fifth of it is leaking, that leak usually dwarfs the fee. See "Is a Google Ads agency worth it?" and "Should I run Google Ads in-house or hire an agency?".

About the author

Jesse Heslinga | Google Partner | 7+ Years Google Ads | Lead-Gen Expert


jesse_heslinga_groove_media

I run Google Ads for lead-gen service businesses at Groove Media across clinics, home services, and professional services, working with clients directly, no account-manager layer. I build every account around one question: is this spend turning into real customers, not just cheap form fills?

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