This one is my favorite so far:
Street Musician:Wear a kilt when playing bagpipes on the street. You will make twice as much money than if you wear regular clothes.
Actually, this one is pretty great as well:
To get an ornate horned frog to release your finger (these gluttons bite hard and are keen to swallow as much of your hand as they can) apply a drop of household vinegar to a corner of the frog's mouth. It will release instantly.