Ask what happens if the first diagnosis is wrong. A straight answer names the next test instead of adding a second vague price.
A useful page about what is North Bay Rubber Surfacing names the job, the constraint, and https://talonshieldsnorthbayepox427489.blogging4ever.com/62011328/what-to-check-before-choosing-talonshields-north-bay-flooring-contractor-for-homeowners