There are other payment options on SFI/TRIPLECLICKS. All you have to do is encourage your PSAs to read more about SFI and you also steer the PSA in the right directions by offering the right path way for him/her. Encourage the PSA to ask any questions he/she has on mind.
On that note offer ways of becoming a team leader on how to earn the versapoints in becoming a teamleader. You can tell them on purchasing Tcredits and doing the daily actions o becoming one.