I used to live in Boiling Springs which is right next to Spartanburg. The last time I went through there I almost didn't recognize it with the bypass and all. It was hilly where I lived there. Good luck with your birds...
Tractor supply and most ag supply places sell the plastic colored bands that snap onto their legs. That is what I use with my hens. They come in about 3 different sizes.
Yeah the scratch grains are mostly corn which is like candy. X2 on the treatments mentioned above. its hard to beat a commercial starter feed for chicks and some folks recommend medicated. If you treat them for coccidiosis then get un-medicated feed. Good luck with your babies...