How do I build a subscription business that truly earns its revenue?

You have chosen the harder and better path: to earn every renewal instead of trapping it. That choice will cost you some easy money and buy you something rarer, a business you never have to be ashamed of. Recurring revenue built on real service has a quiet strength. Customers stay because you keep being useful, so you are pushed to keep improving rather than resting on a locked door. Your incentives and their good point the same direction. That is a rare and durable thing. Keep it honest by measuring the right thing. Do not just track who stays; track whether they are getting value while they stay. Ask a handful of customers each month what they actually got. Let the answer, not the invoice, tell you if you are living up to your own standard.