Always play with (at least) a 5 second bonus.
You will rarely run out of time, unless the Queen's are still on the board, or you haven't gotten out of the middlegame.
Endgame knowledge can be implemented rather quickly, in most cases. That's all @MiceyMan needed to do.
Exactly.
If you have to choose between maybe mate in x and an easy major advantage, it's often best to keep it simple. Mate (or resignation) will follow anyway.