I'm used to games like WoW; where there's always a ton of stuff to spend gold on, and where you never have enough of it. Where working your professions is a lot of fun, and you get very small rewards. However, in Skyrim; if you choose to spend more than 30 minutes on a profession, like Blacksmithing, your weapons and armor are so OP you have no choice but to play on Master level to avoid one-shotting everything around you. If you choose to loot all the bodies in your way and to use the carrying muscles of your companion as well, you have to save and reset your game ten times everytime you enter a city for the vendors to have enough gold to buy all of your adventure trash. And suddenly you've got so much gold, you could buy a small city...
Yes, money can build up to high levels eventually, but..
....one big thing is, the game just isn't meant to be played in a "MMO" way. Grinding out your professions, farming every piece of loot, etc. Yes, I'm big on looting. But I never brought enough loot back from a dungeon that I needed to sleep multiple times to restock the vendors in Whiterun. Yes, I did mining/smithing. But I didn't "grind it out" in half an hour. I worked on it slowly, as I gathered materials... I finally got 100 Smithing at level 48, 70+ hours into the game.
Basically, "rushing to endgame" is a good way to
not enjoy this game.

(And yes - I've played WoW. I don't rush there either. But, then, I don't really enjoy any of the endgame raiding/pvp - I mostly just leveled alts and explored the world.)