Hey Sling,
Sorry, I didn't quite get what you are saying.
For me, one time I put $500 (20 credits) into a $25. machine, got it up to 40 credits ($1000.) and bailed out. At a $10. machine sampled $200 and hit a royal. These are all one coin plays but I moved up a coin or two with hits of trips, straights, flushes etc. back to one coin if I lose the hand.
Haven't done that in quite a while. To try this machine for 20 hands would be $2000.-Almost impossible, but when you see that picture...