Most of the photographers I know charge between $100-150 a setting--remember, you have costs and not just the time of the session but also post work and consultations. If you choose not to have them purchase prints through you, then I'd set up a Mpix Pro or Mpix account and put them on there for clients to order--just remember, when they can buy an 8x10 for $3, you may have difficulty with them thinking of you as more than a Walmart photographer, no matter how good your work is. (Not saying it won't work, but you will need to work extra on maintaining your professional image.) If you want to sell prints, decide what you will offer first and then at least multiply it by three or four (that gives you extra in case you need to have it reprinted).
Just my 2cents, for anyone wanting to go pro, have your policies clearly written out and in place prior to beginning and always explain them to the client--saves a lot of headaches later. Also, remember, not every client needs to be your client, so don't be afraid to turn down the obnoxious ones even as a beginner!
