Hello!
MRP is money too. You can buy anything with them. If you want invest in SFI buy some valuable tool like Facebook Autoposter,traffic to your page,you own page if you do not have, blog if you do not have. Or you can buy TC credits, for 1 TC you need 126 MRP and you will get 102 sales VP.Anyway you can do the shopping for the house So let's say about buy some supplies such as vitamins, something for personal hygiene and etc....