i would swaddle mine and then put them in the changing table section of their pack and play. that way they could sleep on their stomachs some what but they couldn't actually roll anywheres.

and i coslept with both boys until a good 4-5 months down the road. and now we do it occasionally.

lanolin is your friend for the callouses on your boobs. pick up a tube, it is only $5 at heb/target.

and it sounds like you need mittens! you should have gotten some in the baby shower. or, you can just use socks on the hands. helps a lot with the razor blades.