Agreed. A simple class will cover the basics in a couple of hours.

What you're really talking about here is two things: a kit to carry and one for the car or office.

the carry kit is small; meds, some band-aids, misc supplies.

with an office or car kit, just get a commercial one - spend $10-20 at Target or wal-mart and that should suffice.

But the training (and the practice and the reference book/ cards) are the key...take the class.