I suggest you spend most of your SFI business budget purchasing TCredits.
Why?
You are like hitting many birds in one stone.
You earn 1,500 VPs purchasing 125 packs TCredits worth $36.25 at the same time earning Executive Affiliate for doing so;
You can use your TCredits for bidding where in you earn 1 VersaPoint per bid at the Pricebender;
You can build your team if you win PSAs or CSAs at the Pricebender Auction;
You can bid and build your team with the Bid and Build Program. For every 10 bids, you are guaranteed to win a PSA or in partial of 10%, 20%, 30% or more in spinning.
You are assured that you earn VersaPoints and Membership Rewards Points for whatever you make use of the TCredits you did purchase.