What is the best business for a 21 yr old lady to start. And how does she go about doing it w/out much money? -

I am Located In Miami FL.

start an online business. you can do about 13 different types of business to make money with very low money require and knowledge too, because you can find all you need here: http://www.sitesell.com/Carmen6.html

You could become a dog walker, and start with simple flyers and word of mouth.