If a bettor chooses East as the winning player and East is lucky enough to have a Heavenly Hand after the deal, the bettor is paid as usual. This rule is not found in Mah Jongg Made Easy or any Bulletin.
A variation created by the National Mah Jongg League supports a 5-player game. Some people call this, "playing with a bettor", or "5th player betting" Here's how it works
Stopping the Charleston after the first Charleston moves is permitted and does not require another players' permission to do so nor does that person need to give a reason as to why they make their decision.