Financially you can benefit from your PSAs efforts on couple of ways.
Main income is from their VersaPoints ( if they maintain their EA2 rank ), also from their purchases on TripleClicks.com and of course you gain your personal VersaPoints depending on their rank
100 VP for each EA2
150 VP for each Bronze Team Leader
200 VP for each Silver Team Leader
250 VP for each Gold Team Leader
300 VP for each Platinum Team Leader