Make sure you get some references from the Builder. You want to make sure that the Builder has a good standing reputation dealing with buyers, and builds a good home. Another thing you want your buyer to check is the warranty the builder offers (how long is everything under warranty, what does it not cover etc..). Most times when you sell a new home, the Builder still has finishing work to do (sowing grass, landscaping, trim work, paint, flooring, etc..) make sure you include a punch list with your offer (a simple letter stating all the things the buyer wants finished before closing). Also just because the house is new does not mean your buyer should not have a home inspection. Be sure to encourage them to do so. I have included a link to a good article about this subject. I hope this helps.