hey Pmoradi, were you the one that was helping Sean at Hugo/Jose's frag swap/bbq? Did you buy a peppermint shrimp from some guy?
As for this thread, the most expensive thing I had to buy for my last tank was lighting.
Radium bulbs + Lumenmax elite reflectors + Gallaxy ballast = a small fortune
the colors I got out of my corals and fish = priceless. lol