The difference between the professional home builder and the DIYer often comes down to tools. While I would never want to play down the role of skill, having the right tools is often part of building those skills needed to build and repair things yourself. If you don't have a drill, it doesn't matter how skilled you are with a drill because ... you don't have a drill. The first step to developing any repair skills is to make sure you have the right tools for the job at hand. That doesn't mean you need every tool. This is the trap many budding DIYers fall into—buying every tool around and then hardly using them. I spared myself this trap by living on the road in an RV . I can't own large tools like a table saw or miter saw, but much of what you do with a miter saw you can do with a circular saw and speed square. Much of what you can do with a table saw you can do with a circular saw, a long straight edge, and some clamps.…