Many businesses dive into Google Ads without a proper strategy, only to find their budget depleted with little to show for it. Here are the five most costly mistakes we see, and how to fix them.

Mistake #1: Ignoring Negative Keywords

Without negative keywords, your ads show for irrelevant searches. A plumber bidding on "plumber" might show up for "plumber salary" or "how to become a plumber," wasting clicks on non-customers.

Fix: Regularly review your search terms report and add irrelevant terms as negative keywords.

Mistake #2: Sending Traffic to Your Homepage

Your homepage isn’t optimized for conversions from specific ad campaigns. Visitors need a clear, focused landing page that matches their search intent.

Fix: Create dedicated landing pages for each campaign with a single, clear call-to-action.

Mistake #3: Not Using Location Targeting Properly

Showing ads to users outside your service area wastes budget on leads you can’t serve.

Fix: Use radius targeting around your service area and exclude locations you don’t serve.

Mistake #4: Overlooking Ad Extensions

Ad extensions increase your ad’s visibility and click-through rate at no extra cost. Skipping them means leaving performance on the table.

Fix: Implement all relevant extensions: sitelinks, callouts, structured snippets, call extensions, and location extensions.

Mistake #5: Setting and Forgetting

Google Ads require ongoing optimization. Campaigns left unmanaged gradually lose performance as competition changes and ad fatigue sets in.

Fix: Review performance weekly. Adjust bids, test new ad copy, and refresh keywords regularly.

The Bottom Line

Google Ads can be incredibly effective when managed properly. The difference between a profitable campaign and a money pit often comes down to these fundamentals. If you’re not seeing the ROI you expected, start by addressing these five areas.