Of course, DIY home improvement also home improvement ideas involves a lot of unknowns. You are probably not skilled in construction, and even if you do know something about it, you can never learn everything. This means, something could go wrong in the construction process, or you could run into a situation you didn't bargain for. For example, your new house might have some issues that the realtor was not aware of, and if you uncover these issues while you're redoing the floor or updating the bathroom, you have a whole new project on your hands. Depending on what kind of problems you uncover, you might end up having to spend a lot more time than you thought, on something that could take a contractor just home renovation before and after a few hours to accomplish.