If the prices are close, you know it's a fair price. If all 3 quotes are everywhere, get a couple more and see more. An appointment may not provide you with enough information. Although more than three quotation marks can cause confusion and fatigue in making decisions. However, if you haven't found a company you feel safe with after getting three quotes, keep looking until you find a company you can trust.
Get at least 3 quotes when hiring a construction project. It has been the standard for a long time. However, I think a lot of people have lost sight of what that means. Everyone, and many professional publications, agree that you should get 3 quotes. The question is, why? Why not 4 or 5? Why not 1 or 2?.