You might not be able to present a proof but if someone here is willing to take a test without the fee, I might consider buying.
stop begging
i just send free samples to hero members
so buy my stuff for 1dollar or leave
Clearly I wasn't
begging although I'm a newbie on this forum, as a normal person I would be very skeptical about this since you can just compile the trick you got from somewhere else. Why bother sell one when you can search? That's my POV.