It shouldn't be that hard to get a picture of the dot, even with flash and for gas lasers especially I prefer to see pictures proving the item actually works.
I'm not trying to put your sale down, just saying why I think it seems kinda funnny.
You could try covering up the flash with your finger or a piece of black material-- that will keep it from affecting the dot
A hene is not worth much at all, and a low powered one like that even less, A member here sells 3-4 mW HeNe's for $45 shipped