Mainvest Peer-to-peer loans in the forms of investment in pre-vetted small businesses. If you invest $100, the small business agrees to share a portion of their revenue until you’ve been paid $170 for example (sometimes more, sometimes less). Start Start-up cost: Variable Location: Preferred requirements: Financial background Type: Investment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.