oversell

Etymology
From.

Verb

 * 1)  To agree to sell more of something than one can supply.
 * 2)  To be too eager in attempting to sell something.
 * 3)  To praise something to excess.
 * 4)  To sell for a higher price than; to exceed in sale price.
 * 1)  To sell for a higher price than; to exceed in sale price.
 * 1)  To sell for a higher price than; to exceed in sale price.