Here you go
•The Guide To Payback - http://bit.ly/ggpayback
•Earning Points For Payback - http://bit.ly/ggpoints
•Do you qualify for payback? - http://bit.ly/ggpaybackcheck
by giving kudos and marking as solution
nice and easy BUT WRONG
oh dear oh dear...
Kudos has nothing to do with payback at all.
you have perfectly described the community ranking system, not payback.
3. Say thank you with Kudos: You can thank people for help by giving them 'Kudos' - just click on the star next to the post. You can also post a thank you - it costs nothing but means a lot. For more information about Kudos please click here.
3.1. Kudos is not linked to payback.
3.2. Do not abuse Kudos by creating alias accounts and giving it to yourself.
3.3. Keep Kudos special by not giving it out to everyone.