“however, my friend wants to get a sleeping bag, and not spend more than 60 bucks on a bag. any suggestions on what he should get? it'd be for fair-weather camping, down here in tennessee, during the fall/spring. temperatures between 40-70 degrees.
thanks!”

Hmmm. I think you can get a “0” degree bag at walmart (really a 35 degree) for that price. But plan on carrying 7 lbs of bag vs 1lb total for a 800+ fp down bag.

Glenn has good ideas for bag savings; and try Sierra Trading Post.

You’ll see this here a lot:

You can only pick 2 out of the 3:
Warm
Low weight
Low cost


-Barry