Hiring someone to run your Google Ads is like hiring an operator for your yard. You wouldn't hand the keys to someone who's only ever sold shoes and has never seen a skid steer. But that's roughly what happens when a rental owner hires a generalist agency that treats renting an excavator like selling a pair of sneakers.

Google is trained on retail. Most agencies are too. Rental is different: high-intent local buyers, seasonal swings, contractors who rent the same machine ten times a year. The wrong manager will quietly burn your budget on the wrong people and hand you a report that makes it look fine.

Here's what to watch for before you sign anything.

They promise a specific result by a specific date

"Guaranteed 40 leads in 30 days." Walk away.

Nobody honest can promise that, because nobody controls how many people search for a trencher in your county next month. A good manager gives you a range and a ramp: calls usually start in the first couple of weeks, but judge the account after two months, and here's exactly what we'll measure. Confidence sounds like a plan. A guarantee is a number pulled from the air to close you.

They talk clicks and impressions, not calls and rentals

Listen to how they talk in the first conversation. If it's all "impressions," "click-through rate," and "traffic," ask a simple question: how will I know a call turned into a booked rental?

If the answer gets vague, that's your flag. Clicks don't load a trailer. You care about phone calls from the right people and rentals that actually book. A manager worth hiring measures the account in dollars, not in dashboard metrics that go up while your revenue doesn't.

They can't explain where a call came from

Attribution in rental is genuinely messy. Some calls track cleanly, some don't. That's the truth, and the honest tell is a manager who says so plainly instead of pretending every dollar is perfectly tracked.

Ask: if I get a call, can you tell me which keyword drove it? Someone who waves the question away with "the algorithm handles it" either doesn't have call tracking set up or doesn't want you looking too closely. Someone good will tell you what they can attribute cleanly and what sits in the gray area. That honesty is the whole job.

Everything goes in one campaign

Your yard doesn't pile the drills, the chainsaws, and the excavators in one heap and hope customers dig through. Every machine sits on its own shelf. Your ad account should work the same way.

Ask how they'd structure your account. If the answer is one campaign with all your equipment mixed together, they don't understand your business. Blended campaigns hide everything: a $30 cost per lead sounds fine until you realize $30 for an excavator is great, and $30 for a drill, or for your own business name, is money lit on fire. Segmentation by machine category is how you see where the money actually works. A manager who skips it is flying blind with your budget.

They spend the whole budget every month, no matter what

Ask one question: has an agency ever come back and told you they couldn't spend your budget because it wasn't worth it?

Almost none ever have. Most take your $3,000 a month, set it to $100 a day, and spend every cent to hit the number, even if that means dumping the last of it on junk keywords on the 20th. Your budget should be a ceiling, not a target. A manager who treats every dollar as must-spend is optimizing for their own tidy report, not your return.

They're generalists: dentists, plumbers, and you

"We work across all industries" is not a strength here. It means they'll learn your business on your dime.

A generalist doesn't know that your customers are roughly 80% contractors and 20% DIY, that the contractor who rents once rents again all season, that an ice storm empties your generator shelf in a day, or that the same $30 lead means completely different things for different machines. Those aren't details. They're the whole game. The manager who already knows your vertical starts where a generalist is still stuck.

You don't own the account

This one's simple, and it's a hard rule: make sure the Google Ads account is in your name and you have admin access, always.

Some agencies build campaigns inside their own account so you can never leave without starting from zero. And if you can peek at the account and see campaign names like "Tool Rental 2025" or an ad group called "Ad group 1," that's another tell: it was thrown together in the web interface and left to drift. A serious account is built with care, and it's yours to keep.

The short version

The best filter is one question, asked plainly: how will I know this is working, in dollars? A manager who answers with calls, booked rentals, and honest attribution, and who admits what they can't prove, is worth talking to. One who answers with clicks, guarantees, and confidence with nothing underneath is going to cost you.

We only do Google Ads for equipment rental companies. If you want a second set of eyes on your current setup, or on someone you're about to hire, we'll take an honest look and tell you what we see.