Fold bill in half
Fold bill into fourths by folding both halves in half
Flip bill over and fold bottom right corner to the middle
Fold both bottom corners to the middle
Turn the bill so that the folded corners are on the left. Fold the outside flap to the middle. Make sure not to get the other side
Fold down the triangles on the right and left of the bill
Fold down the remaining corners to the inside.
Flip over and you're done!