It turns out dragons have very detailed rules regarding withdrawals from their hoards. I fully intended to use that treasure investing in various ventures to get more money in return, as well as various restaurant improvements, but she didn't see the point in that. She prefers to use her wealth in direct action. After a few years of that we decided we'd be better off as friends. Plus, people were constantly giving us weird looks whenever we walked out of the guild hall.
V Osdrik held a hand to his chest in offence, nearly dropping his fish. "Chubby cheeks are a point of pride in dwarven culture! It means you're well cared for and hearty. I loved all your cheeks." Dwarves can't resist digging themselves into holes it seems.