I agree having a stash of antibiotics is a good idea. It is safer to get them now that fight through the raiders to get them later. Apollo had a thread on this subject:

Thread: Things that Make You Go Hmmmmm.. Amoxicillin on Ebay?

Get what you think you will need & store in a cool, dry place.

Check out Patriot Nurse's advice on antibiotics before you choose which to buy:



Edit: Oh, and stop thinking about taking advantage of people. Stock to provide for your family; do you really want to risk your life to loot & raid?