If you win, $25,000 in fake dollars is yours. The original way makes certain puzzles really difficult unless you go for RSTLNE. Turning on Wheel of Fortune mode makes it resemble the current bonus round, where RSTLNE are given for free and you ask for 3 additional consonants and one vowel. Tommy’s Wheel of Misfortune goes by the original bonus round rules of five consonants and one vowel.
The only other major difference is the bonus round. You wouldn’t see a puzzle like this on the regular show unless they were trying to pinch pennies…