I sell merchandise on eBay.  Now, if I posted my item as an
Auction, starting at $1 and for 7-days length, it may end up
selling at high bid for $15, $20, or $25 dollars 7 days
later.........  Now, let's say I have that same item posted as a
"Buy It Now" for $100, because I don't want to take low money
(the $15-$25).  A Buy It Now can have the right buyer come along
in hours or days, and pay you the $100, or offer you (with the
"Best Offer" function) $90, $75, etc........  ORRR the item can
sit there for MONTHS at a time, while waiting for the right
person, who wants to pay the right money.  I am writing a
business plan for investors, and I am dying to know what this
economic concept/terminology is called ---- when you have to
"sit" on inventory for sometimes a verrrrryyyy long time before
it sells.  I am also trying to justify it as profitable, since
my product take little space to store, and my overhead/expenses
are low. It is well worth it for me to list something for 6
months to get $75-$100, as opposed t