[Q]: Objective: how do you tip a waiter with cash?
[A]: leave however much cash you'd like on the table you were sitting at.

[Q]: Objective: Remove tea stain from mug.
[A]: Soak mug in a solution made of mostly water and a little bit of bleach for a few minutes.

[Q]: Objective: To make concrete forms for a shed foundation end at an even height.
[A]: Place the forms on the ground where the supports will be. Draw a level line on the form of the support that will be lowest and cut all of the forms down to the height of that line.

[Q]: Objective: To hit a hole in one in golf,
[A]:
hit the ball into the whole on your first hit from the tee.