While many believe that the wheel is rigged so that the contestants won’t win too much money, this is a myth and the wheel is not rigged in any way. There have been theories that Pat Sajak can control the wheel with his foot and chooses to stop it when he wants, but this could not be more untrue.
While the wheel isn’t rigged, editors sometimes take out things that would make the episode too long. For example, if someone landed on “bankrupt” on their last turn.
Staying fit is certainly a commitment. Besides doing the physical training, there are some other factors to consider, like nutrition