LPT: if you’re flying for work, show up to your gate extra early and wait for overbooked flights.

I've been traveling a lot for work lately, and have been taking this opportunity every chance I get. Not sure what it is like in the US, but in Canada nearly every flight is overbooked. I volunteer to change flights immediately, because they offer large cash payments to fly out slightly later. So I get a “delayed” flight for work, and sometimes up to $1200 cash for “volunteering”