Hello cannell555,
PokerStars allows you to unregister from tournaments - and they will credit the buyin amount to your bankroll as tournaments dollars (money that can only be used to buy into tournaments). This means you can play satellites for FPP or money and win buy-ins into large tournaments (e.g. Daily 50k or Sunday Million) and then unregister for the buyin. You can then play SNGs with this tournament money to turn it into real money.
This is quite lucrative as the FPP satellites (and most other satellites as well) are really soft and fishy.
I hope this is what you were asking about
Best regards,
SoyCD