Stash
It is a pretty simple deal. You sign up for Stash and send $10 that goes in your account. Stash gives you $20 (cash or stock). You can then refer and earn $20 when your referrals open their account with Stash and send $10 to their Stash account.
The contents of this App are constantly updated.
There are always new & exciting opportunities presented here.
With many of these you can save money and earn money. Most are no cost to you and some even pay you to join or participate.