Indeed, the bank account sets the parameters.
But it’s something I always think about. $150 covers all food and drink costs for at least two weeks. I’m going to the dentist soon too, like you, and yes — the amount for the Parsons concert is about the same. So it’s a very down-to-basics dilemma.
(Shame you didn’t make it to Williams/Berlin in 2021, btw. I met Geratewohl there).