Like most others on this forum, we strive to sell off everything from purchased lockers super fast in order to maintain liquidity to keep buying lockers (and actually be able to spend some profit  ).  However, sometimes things stick around for a while for various reasons.  Certain items sell best just before Christmas, for instance.  So you buy and hold those, getting a better return when you sell them in November and December.

On rare occasions, we end up holding onto certain items simply because we know it has value, but aren't able to find the right channel to get rid of it.  My albatross has been chorogrips.  Quite a while ago, we dragged three brand new cases of probably five hundred (or more) of these things out of a stuffed locker.  I really don't want to just throw them away because they have value, but until I find that right buyer, they've just been taking up real estate.