Some things, especially for an AP, are basic. I would think any AP would master free play because isn't free play an essential element of that +EV?
I use it strictly on video poker.
You didn't understand how it worked on VP either.
Do you want me to pull the quotes?
Works three ways:
1) Download credits from card to machine
2) Initiate a bet and get the bet returned while same amount deducted off players card (situation I was wrong about on roulette)
3) Coupon inserted into machine