That "peel the tape once it set up" part is the move people miss. Most guys pull it while everything's still wet, then wonder why the bead creeps out of place. Waiting lets the mud grab hold first. You can take it a step further and run the tape a little long past each end of the bead, gives you a tab to grab so you're not digging at the edge with your knife. On ceilings I'll sometimes tape both sides of the bead, not just the lip, so it can't rock while I'm pressing. Once it firms up the tape comes off clean and you barely see where it was. Ten extra seconds beats redoing a whole run.

Right? What is it with those crazy promises on the packaging? I had one that swore it could cut through anything, and it just folded on some basic sheet metal. Feels like they're selling hope in a plastic box sometimes.

pumps unnecessary smoke" seems a bit much. My grandpa burned whatever wood he had for decades and we never had a problem. Sometimes people overthink this stuff.