That is true^^ however, if they did forget something like a seal, I would probably go over the whole thing not knowing if they maybe forgot something else. I would still not bitch about a 2 dollar seal though....probably would not have even called them about it.
Axel is sold...still have stock wheel hubs,brake hub, sprocket hub, coolant bottle, bearing carrier, reed cages(with good reeds), and 20cc pro design cool head domes. Lets get this stuff gone, I wont turn down any reasonable offer.
Next time you buy anything used, don't believe most of what they say unless you know them. This can all turn out for the good though, any time from now on when you buy something used, ill bet you look it over better. Life lesson right there.