After making an investment and receiving your share certificate, there are many things that you as investor can do to help your chose business grow.
Get involved beyond just the transfer of funds to the entrepreneur! Perhaps you have a network that could help the idea succeed? Make some introductions. Offer your input as a member of the board, or pitch in if you see they need help with marketing or other aspects of the business.
Crowdfunding is about more than just raising funds - it is about making connections and helping entrepreneurs grow. Most of the crowd investors on FundedByMe take great pleasure in helping their investments succeed.