Littleton Coin Company offers a new $2 Bill bundled with a National Park quarter for $2 with free shipping via the following steps. They say "it takes money to make money", and that's certainly true for this deal which nets you a conversation-starting $2 bill along with a bonus quarter. (That's a 12.5% profit on your original "investment".) To get it:

Visit the Littleton Coin Company by clicking here

enter code "5BB402" in the box asking for the six-digit code

view the $2 bill and National Park quarter and add it to your cart

check out for a final price of $2