I Would love To Be A surrogate Mother!!!! ?

I am 20 years old. I have a very handsome son, and a wonderful husband. I live in Hawaii, on Oahu. I have NEVER done any drugs(I'm not exagerating lol), and It's very seldom that I drink. Here latey i have really been thinking about being a surrogate mother. I've heard that in some agencies you only have to be 18. If anyone is interested please let me know. Thanks!