Although legitimate sales do take place, usually at the end of the high season to dispose of unsold stock, you'll have to be a bit cautious.
Disposing of stock may have shady deals that will make you lose money. 
mnli hypothesis: Disposing of stock may have shady deals that will make you lose money.  premise: Although legitimate sales do take place, usually at the end of the high season to dispose of unsold stock, you'll have to be a bit cautious.