I am remodeling my shower soon. I will be removing a shower base and installing tile flooring. I am also cosidering altering my shower plumbing a bit, maybe dual shower heads or jets. I have heard that if you do things like this yourself and not by licensed contractor or plumber, it can cause problems when selling your home. I do plan on selling at some point in my life, has anyone had experiance with this or know somthing that would be helpful.