The opening eBook of the Paid Growth and Campaigns category. It assumes you've done the basic work on offer, website and search ranking, and shows you how to add paid ads as a controlled, measurable layer on top - without burning your first thousand pounds learning what a sensible test looks like.
Members ebook·7 chapters· 45 minute read
Chapter 7
Common Paid Ad Mistakes
The recurring mistakes that quietly sink small business paid ad accounts, with a fix beside each one and a checklist you can run against your own setup once a quarter.
The mistakes in small business paid ads aren't usually exotic. They're the same dozen patterns repeated across thousands of accounts, and they're the same dozen patterns whether the budget is two hundred pounds a month or two thousand. A small business that learns to spot them in its own setup before they compound saves itself a year of wasted spend and several uncomfortable conversations with itself about whether ads work.
This chapter is the mistakes file. Each one is a pattern we've watched eat ad budgets unnecessarily, and each one has a fix that takes less than a working day. None of them require new platforms or new tools. All of them are the kinds of thing the platforms themselves quietly reward, because they keep you spending without delivering customers.
Run this list against your own account once a quarter, alongside the four numbers from chapter six, and your ad spend will quietly improve over the course of every year you stay in the channel.
The full chapter covers the twelve recurring small business paid ad mistakes, with a fix beside each one, plus the quarterly review checklist that catches them before they compound.
Mistake one: sending clicks to the homepage
Already covered in chapter five, but it's mistake number one for a reason. If a paid campaign is sending traffic to your homepage rather than a focused landing page, fix that this week before you change anything else. The lift from a focused page is usually larger than every other change combined.
Mistake two: switching campaigns off after a week
Platforms need at least two weeks of steady running to learn who responds. A week-old campaign that's been switched off and on three times has effectively never run. Set the test budget, leave it alone for the full period, and only intervene if the spend is wildly outside the daily cap or the page is broken. Patience is unfashionable and is the single most underrated paid ads skill for small business.
Mistake three: targeting too broadly
Setting the audience to "all adults in the United Kingdom interested in food" feels safe and is almost always wrong. The platform's algorithms get better when given a tighter starting audience. For a local service, set the radius. For a niche product, set the interests narrowly enough that the audience is in the low hundreds of thousands rather than the millions. Tight audiences usually deliver lower cost per customer than broad ones, even though the cost per click can be slightly higher.
Mistake four: targeting too narrowly
The opposite mistake. Stacking five interests, three job titles, two age ranges and a postcode filter on top of each other can shrink an audience to a few thousand people, at which point the platform can't find enough viewers to deliver the daily budget and either spends nothing or spends it badly. As a rough rule, your starting audience should be in the tens or hundreds of thousands, not the millions and not the low thousands. Adjust by removing the least important filter first.
Mistake five: optimising for clicks instead of conversions
Most platforms ask what you want to optimise for. Picking "clicks" or "traffic" gets you cheap visitors who don't enquire. Picking "conversions" or "leads" - and feeding the platform a real enquiry event - gets you fewer, more expensive visitors who become more customers. The maths almost always favours the second on a small business budget. Set up the conversion event, even if it takes an afternoon, and then optimise for it.
Mistake six: running one ad version
One ad gives the platform nothing to compare and you nothing to learn. Two ads, with different angles, give you a quick winner inside two weeks. Always run at least two versions during a test, and always keep one variant test running once you scale. The compounding from constant small tests beats every other optimisation over a year.
Mistake seven: ignoring negative keywords
On Google Ads especially, your campaign will accidentally show on searches you don't want, draining the budget on visitors who were never going to buy. "Free," "jobs," "DIY," "course" are common ones for small business services. Add a small list of negative keywords on day one and review the actual search terms report monthly. The companion eBook Google Ads on a Small Budget covers this in detail.
Mistake eight: not following up enquiries quickly
Already covered in chapter five. The cost of slow follow-up shows up as a poor enquiry-to-customer rate, which most owners then misdiagnose as bad ad targeting. If your enquiry-to-customer rate is below one in twelve and your reply time is over four working hours, fix the reply time first.
Mistake nine: changing the budget every week
Constant budget changes destabilise the platform's learning. Pick a test budget. Run it. After the test period, scale in steps of twenty to thirty per cent. Don't react to a single bad day or a single great day. The platform's daily numbers are noisy and individual days mean almost nothing.
Mistake ten: copying competitor ads without understanding why
It's tempting to look at the ads your competitor is running and copy the angle. The trouble is you're seeing the ad, not the result. The competitor may be spending money on an ad that doesn't work either. Use competitor ads as inspiration for the angle to test, never as the target to copy. Your own customer data tells you what works for your business.
Mistake eleven: forgetting that ads amplify whatever's underneath
If your offer is vague, your reviews thin, your website slow and your follow-up patchy, paid ads will accelerate the visibility of all of those problems while charging you for the visibility. Fix the underneath as you go. The earlier eBooks Designing Your First Offer, Reviews and Social Proof and Lead Capture and Follow-Up are the supporting work that makes the ad spend pay back.
Mistake twelve: not switching off campaigns that don't work
Sunk-cost thinking applies to ad accounts too. A campaign that's failed clearly after the test period should be switched off, the lessons captured and the next test designed - not nursed for another two months hoping it turns around. Knowing when to stop is part of using paid ads well. The four numbers from chapter six tell you when, if you actually look at them every month.
Quarterly paid ads review
All clicks landing on a focused page, not the homepage?
Each test running uninterrupted for at least two weeks?
Audience size in the tens or hundreds of thousands?
Optimising for conversions, not clicks?
At least two ad versions live in every campaign?
Negative keyword list reviewed in the last ninety days (Google Ads)?
Reply time on enquiries under four working hours?
Budget changes limited to twenty to thirty per cent steps?
Four numbers from chapter six reviewed every month?
Failed campaigns switched off rather than nursed?
What to do this week
Run the quarterly review checklist against your current ad account, even if it's only been live for a month. For every no, write the specific change you'll make this week and the date you'll check it. Don't try to fix all of them at once - fix the top three and re-review in thirty days. Most accounts have three to five no answers on the first run, two to three on the second and one or two as a steady state. The discipline is in running the review on schedule, every quarter, regardless of whether the account feels like it's going well.
That's the eBook. The companion eBooks Google Ads on a Small Budget and Facebook and Instagram Ads for Small Businesses go deeper on the platforms themselves. The earlier eBook Lead Capture and Follow-Up is the partner book on the conversation that happens after the click. Use AI and tools to support judgment, not replace it - the platforms will offer to optimise everything for you, and your job is to keep the four numbers from chapter six in front of you and use those to decide what's actually working.
The rest of this chapter walks through the practical steps, the templates and the checklists you need to put it into action. It includes worked examples, copy frameworks and the small decisions that make the difference between a plan that sits in a drive and one that gets used.
Inside you'll find a step-by-step playbook, a downloadable template, a checklist you can run this week and a short list of common mistakes to avoid before you start.
The full action plan, broken into weekly steps.
Ready-to-use scripts, templates and checklists.
Worked examples for different sized businesses.
Common mistakes and how to avoid them.
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