Of course the at one extreme, if you go into a project by kind of just a bunch of workers and over alls come on the site and you figure out what to do, its totally out of control. You can, the other extreme is spending a lot of money figuring out everything in advanced in a remodel means explore tory demolition which could cost more than the inefficiency of discovering. You just have to attempt to make an appropriate judgment for the level of preplanning on your particular job. Thats why another reason why its extremely useful to have a contractors advice during the planning process not just trying to come up with a number but to talk about constructability and the degree of detailing required. But you can expect on every home remodel project to find unforeseen conditions . Everyone. You open up a wall and say, i didnt realize there would be so much wiring or dry rot or old abandoned plumbing. I have never seen a job where there were not unforeseen conscience. You are lucking if its un