MRP or Member Reward point is highly important in SFI business. As you can purchase almost every product with MRP in tripleclick. The most lucrative are E-books and 1 Tcredit by which one can add so many VPs to get promotion.
You can get MRP from Daily Grand, W3 membership, E365 contest, PTP, Procebenders bidding as well as for every purchase from Tripleclick.