In my personal experience that is what some people will try to do to you. $100 is very reasonable for a 100% het Amelanistic female.
I'd be tempted to just wish the other person good luck at the reptile show for $50. For all you know for $50 you may get a gecko that may be sick and dead in 2 months...
Last time I saw a regular normal Fat Tailed Gecko at Petsmart is was about $75 to $80...
Rob Reiding.

