I never liked how utterly inflated gold as a currency always was in Dungeons and Dragons. I have had a long established house rule that reduced all gold outputs (and all gold costs) significantly enough where it was no longer a thing where you could almost make a house out of gold for the price of buying that house in the rules as written.
Also, in a fantasy setting with magic and the like, it's absurd to try to pretend that magic items would remain as super rare after centuries or even millennia of adventurers rummaging around and eventually putting them on the market.
The bullshit about how peasants would have to work all day for a silver piece but somehow a +1 sword costs roughly a lifetime of their labor was always silly.
Don't even get me started about how bullshit "Forgotten Realms" is as written where (the older books at least) claim that most people have never seen a spell being cast before and are in absolute awe of magic-users yet magic-users rule basically everything and it's hard to find an official town map without some magic bullshit somewhere.
The Elder Scrolls series, flaws and all, is generally better about applying magic to its world-building.