Well you kinda made my point there.

Houses are completely unnecessary for high level effectiveness. And when you take a look at the market and the things that cost the most money are all things mostly worthless to high level players. While the old gear out of Coils of Bahamut does look cool... there's no way in hell it compares to what you actually get at like 60th, 70th, 80th... and as an example the weapons from things like EX 8-Mans generally are far worse than BIS... they LOOK cool and make for great Glamors... but they're not really that necessary. They cost a ton, and they look cool... but they're not exactly top of the line... in fact they're far worse.

That's the real reason they're so pricy. Its not because people actually use them as gear... they use them for glamors.

This was the complete opposite in FFXI, all the high level gear either took days on end to farm or cost millions of gil on the market.

Its just not the case anymore post ARR.