I look back at my old character sheets from back in the day when you had to go on quests to find magic items, not buy them at your local 7-11... and every last one of them had piles and piles and piles of gold gems, art and other "stuff" that was worth somthing. I had characters buy houses just to stash their (mostly unspendable) loot in them.
I haven't played 4e at all, though I do DM it, and my players keep begging for more magic shops and more gold so they can update their stuff. Sometimes I give it to em, and sometimes I don't.
I guess its a sign of just how long I've been playing...
Back in the day when I was DM'ing a 1E AD&D game, I would require all players to undergo training as a part of leveling up at lower levels.
Did the DM charge any property taxes on these houses?
If these houses were located within in a city (ie. such as Greyhawk City), were the characters also charged an income tax for being citizens of the city?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.