Yeah i think you're completely right.
He does whatever he can to get top dollar.
That said, why not, if people still wanna pay for it... You start a business to make money, and that he does. If the prices are too high people will just stay away.
Of course that opens the door for people charging less, but maybe taking longer to get stuff, or have less stock, etc. There is always some sort of drawback.
I also found the 5g a bit much for the Knuckle Duster, even though it is custom made.
But, you get to see a lot of different things, some antiques, beautifully crafted weapons.
That's