Fair enough. I didn't pay much for it... £500 for the entire lot, which is, what, $600? I dunno, but being conservative, I figured that even used it's worth a lot more than that. I estimated if it were all new, we're talking north of £5k, but I realise it isn't worth anywhere near that unless it's in better condition that I'm expecting. I pick it up on Wednesday, so there's still an element of unknown. I get it won't sell to proper chemists, but schools looking to save a few quid on test tubes? Why buy new stuff when they're "dirty" after their first use? Also, there's surely a large amateur chemist market. I'll clean everything first with diluted bleach then rinse thoroughly with water. That's sufficient for most applications, surely?

So long as I make my £500 back within two or three months, and I still have plenty of stuff left, I'll be happy.

A lot of the stuff like this selling on ebay is coming from China, so people are having to wait a month for their stuff to arrive.