Both new and used baby carriers can be wonderful. Here are some local retailers as well as online swap resources. There are many additional online retailers for new carriers – just ask google!
Monarch Midwifery (Ellevill, SSD Ring Slings, and more) http://www.monarchmidwifery.com/ ~ http://www.facebook.com/pages/Monarch-Midwifery/152150641952
Online Babywearing Swaps
Fayetteville NB&P Swap – local swap page which often has baby carriers listed – http://www.facebook.com/groups/233566870017395/
The Babywearer Marketplace- http://www.thebabywearer.com/forum/forumdisplay.php?108-TBW-MarketPlace
Babywearing Swap – http://www.facebook.com/groups/196221090408274/
Babycenter Babywearing Swap – http://community.babycenter.com/groups/a5701425/babywearing_swap