I like ads on podcasts: not invasive, support the shows and can't put malwares on my pc. Honestly I find an adblock for podcasts a total dick move (outside of the intellectual exercise part of course).
Go study math, never get a degree because you haven't studied enough (according to experts) or you weren't talented enough (according to reality), and find yourself in debt, older and with no degree.
You'll totally not regret having listened to advices like this.
Opinion: first big enough country that will force neutrality of payment processors will get all content creators, startups and the trillions in sound money and cultural value that come with them