Originally Posted by
Kroma
If there is a buyback feature, how long would the option be available? If it's an extended period would people try to abuse it as storage? If the buyback option were available for longer than a day (IRL), after a predetermined amount of time the items should either lose quality status (i.e. +1, +2, etc.) or have the cost increase for the buyback the longer they remain with the vendor. I just see this as a way to keep a buyback system from being abused as extra storage.
Or as an alternative to the buyback, have it be like an in-game pawn shop. After a certain amount of time, if the items sold to the vendor haven't been repurchased by the seller, then they become a part of the vendor's inventory while quantities last.