7. The design needed some tweaking. Often, this means the plans were unbuildable. Sometimes what's drawn on paper just can't be built. A staircase you'd need to crawl on your knees to use, "existing" spaces that don't exist, a pocket door that would slide through a switch box and the shower valve — I've seen them all.8. I don't think this is a good fit. If a contractor declines to quote a project it could be for a lot of reasons. Maybe he has concerns about the budget. You and your contractor will be talking a lot, so maybe he just didn't think you clicked. It could also be that he's too busy, and he won't be able to devote enough time to your project to do it right.