This is simply not possible. When I left Google AAR per North American users was $1200/y. I’m betting it’s close to 2k now.
Try turning down that money for 20 bucks a months. Subscriptions will never scale due to one simple fact. When a subscriber pays only one party pays and has a ceiling. When advertisers pay an infinite number of parties can pay per user with no ceiling other than performance.
Ad tech is just getting started.