The Lightning Wheel shot, even when unlit, is still a good way to get the ball from the lower playfield back to the upper playfield.
Outside of tournament play, don't plunge the last ball that feeds to the plunger for King's Ransom. Free extra ball for later.
Both U-Turn and Hurry Up awards increase per completion, but U-Turn resets after the lights go dark; Hurry Up can be restarted infinitely.