I am redoing my basement. On the one hand, I did my office last year. It took forever. This year, since everyone was home, I had to redo the other side to give everyone their own space. This tool helped me a lot and made my registration much faster. Watch the videos, make sure you dilute the drywall putty well, it's tricky on ceilings, I have more trouble keeping a straight line, but I'm the one, not the tool. The corner tool is great, it's one of my biggest challenges when I'm doing drywall bec...