Please join our new sister site dedicated to discussion of gold, silver, platinum, copper and palladium bar, coin, jewelry collecting/investing/storing/selling/buying. It would be greatly appreciated if you joined and help add a few new topics for new people to engage in.
And that's not even counting the cost of your labour... not that it matters when it's a hobby, but if you're looking at the economics of it, you could be doing something else with that time that produces an income, so you should count it, IMO.