If you have not already read it, I recommend Alexander Hamilton by Ron Chernow. As he remains on the ten dollar bill (despite recent threats to yank him), here are some ways to make free $10s as well as a way to see the (waaaaay more than $10) musical that bears his name.
Get $10 per kid who reads 10 books this summer from Toronto-Dominion. Here is the form. They can get paid to learn.
Get $10 per $100 that you invest in bitcoin here. I keep 10% of my cash in BTC. You should consider doing the same. Get paid to save.
Get $10 in credit when you sign up here. I find stuff that I like on their site all the time. Get paid when you find something you like.
Get to see the musical Hamilton including a free flight, hotel, and two tickets to the show in New York City later this month here. This has a $3,500 value.
I have participated in all four for $30 and a chance at another $3,500 of retail value. But there is an addendum to the fourth idea. The offer says that you can increase your chances by making a donation. Don't do it! It is a...