refill empty from health
You pay 87 gold to refill a diamond vial from a wooden keg with a potion of healing.
5383h, 5400m, 5400e, 10p, elrxk<>-|Safe|

What actually happens is you become a regular and conditioned to just refill empty with health w/o checking WARES, and suddenly the price of potions rises to 2000 gold....