How to Find Wasted Spend in Google Ads Campaigns - Ads Control Engine

One thing that can be easy to miss in Google Ads is where the budget is actually going.

A campaign may get plenty of clicks, and you may even see a few conversions, but that doesn't always mean the traffic is bringing real business value.

I find the Search Terms Report useful for spotting this. Instead of looking only at the campaign's overall numbers, you can check the actual searches that triggered your ads.

A few things are worth looking at:

• Is the search actually related to what the business offers?
• How much has that search term already spent?
• Has it generated any conversions?
• What was the person's intent?
• Did the conversion turn into a useful lead?
• Are some searches spending repeatedly without producing anything useful?

For example, getting a form submission looks positive at first. But when you look closer, the person may have been looking for a free resource, a job, or general information rather than becoming a potential customer.

That's why I think conversion count alone isn't enough when you're trying to understand wasted ad spend.

Once low-value search patterns become clear, negative keywords can help reduce similar traffic. The important part is making those decisions from actual search-term data rather than guessing.

I also put together a more detailed guide on finding and controlling wasted spend in Google Ads: Google Ads wasted spend guide

How do you usually spot search terms that are costing money but not bringing useful results?