Name something you've learned from someone on BiggerPockets (podcast, forums, blog, whatever) and tag the person from whom you learned it. Name as many people as you want, but please limit your posts to one-person...

Hello,I have a contractor that is requesting 50% of what he quoted the job up front. It isn’t a super large sum of money, but I’m curious on what type of things I should do/look for to protect myself. As of now all I ...