What supplies will be good for bartering?

Anything that will be in short supply after SHTF will be very valuable for bartering with. Select items that have long shelf life. Here is a list of some items to keep in excess for just using using for bartering..........

Aluminum foil

Ammo

Bandages

Bleach

Candles

Canned food

Batteries

Dental items

Diapers

Duct tape

Flashlights

Hand tools

Matches

Medicines

Soap

Solar ovens - make a few just to keep back for trading

Toothbrushes

Weapons