I'm sorry that you got ripped off. Really, 90% of the people in this hobby are great and very honest, it's that 10% that gives us a bad name.
It IS a good looking snake, though, and I hope the experience hasn't soured you on the rest of us.
And that seller sounds like they were talking out of their rear. Hypos (ghosts) are hatched LOOKING like hypos, they don't 'fade' after several sheds. Yes, many morphs change how they look as they grow up (some brown out, some get brighter, etc), but hypos, from the day they hatch, always have that faded out look.