How I wish I could have that extra money to invest monthly in SFI. $100 can to much in progressing your business. If you are outside US, you can use that to buy TCurrency first then convert to TCredits then use it to double MRP auction and redeem the MRPs to S-Builder Coop. That's the most practical way to do as it will enable to become BTL that will entitle you more of benefits compared to EA. $100 can really accelerate your rate of achieving success in SFI.