Michael is right, Christie, the more used the pot, the better!
There have been debates here about using detergents on the pot or not. I typically put water in my Dutch Oven or pan and reheat it to boiling, empty and reoil. If it's really gross, I'll put it in a pan of slightly soapy water and give it a good scrub. When done, I'll use a little olive oil as Michael says and rub it all over the pot using a paper towel.
I store my pots in a brown paper sack. That keeps them clean and dry.
There was a program on the food channel a short while ago that spoke about all the new cookware and how there will be a return to more cast iron cookery as people consume less iron in diets. And, of course, there's the link of some of the nonstick products to cancer that's been in the news.
What 'cha cooking, anyway?