Seed phrase
“leak repair”
The system infers a plumbing business. From that one phrase it builds ad group themes around real demand.
Ad group themes
- Emergency leaks
- Pipe repair
- Bathroom leaks
- Water leak detection
Negative keywords
Then it blocks the businesses that sit right beside a plumber and would otherwise eat the budget.
- Roof leak repair
- Gutter leaks
- Damp proofing
- Radiator bleeding
- Leaking shower tray sealant
Every one of those looks like a match in a keyword tool. None of them is a customer.