Both help in their own way. I will be more specific:
SFI launched the "Bid & Build" (as I'm sure you already know), and when bidding 50TCredits on Pricebenders auctions, you earn one PSA. This is a great way of obtaining PSA's.
The best auctions are those that offer 2xMRP. Instead of earning 5MRP for every bid, you earn 10MRP. So, not only do you obtain a PSA after 50TCredits, but, you also get double MRP's.
Eager Zebra "Gold Streak" - if you manage to get to "streakasphere" (7th stage), your VP's and MRP's increase quite a bit (if you use all 15TCredits available).
Unfortunately I have not yet attempted the NFL, etc., as I shy away from the unknown. (smiling)
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Hi Mohammed
Both help in their own way. I will be more specific:
SFI launched the "Bid & Build" (as I'm sure you already know), and when bidding 50TCredits on Pricebenders auctions, you earn one PSA. This is a great way of obtaining PSA's.
The best auctions are those that offer 2xMRP. Instead of earning 5MRP for every bid, you earn 10MRP. So, not only do you obtain a PSA after 50TCredits, but, you also get double MRP's.