If for any reason you want to cut drywall that has already been installed—for a nailer (blocking), say, or recessed lighting—the name of the game is minimizing dust. The jab saw is often the tool I ...

I once saw union carpenters cutting perfect pieces of drywall with only a tape measure and a utility knife. How do I do that?—Jarett R., Oakland, California First thing you should do is watch the ...