chip collector goes to a vendor at the convention- asks how much his chipco classic chips are..
theyre 1.50 ea he says
ok I'll take 50
sorry- were out of stock on them he replies

the collector goes down the isle to the next vendor
excuse me- how much are your chipco classic chips
theyre 3.00 ea sir he replies. which ones do you want

wow- that's too much
it is he replies?

yes- the guy down the isle has them for 1.50 ea but he's out of stock
that's what I sell them for too when I don't have any