Every time you wipe your brush on the edge of a paint can, you get a little more paint into the groove. Pretty soon, you have paint dripping down the side.
Taping sure would be an easy way to clamp glued joints on a small box. Too bad masking tape tears when you try to stretch it around sharp edges.
Spraying varnish or paint can be tricky for beginners and old hands alike, particularly if you have too little space to move around the piece as you spray.
Enlarging a hole in wood or other material requires a lot of guesswork to start the bit in the exact center.
The conventional way of fixing breaks in cylindrical furniture legs often seems like more trouble than it's worth: You have to build a jig to hold the leg, then glue it, and finally clamp it with a C-clamp.
Nozzles on paint sprayers are difficult to get thoroughly clean. Many times, dried residue can clog the nozzle and send paint spitting all around the room.