Original sentence: The boys, Ricky, Julian, and Bubbles are nearly always trying to figure out new ways to get rich, get high, and get some dope; their "get rich quick" schemes are usually foiled by the trailer park supervisor Jim Lahey and his assistant Randy (that, and/or their own incompetence)
Edited sentence: The boys, Ricky, Julian, and Bubbles are nearly always trying to figure out new ways to get rich, get high, and stay out of jail; their "get rich quick" schemes are usually foiled by the trailer park supervisor Jim Lahey and his assistant Randy (that, and/or their own incompetence)