I would be annoyed if a SaaS didn't auto-renew by default. And I'd also be annoyed if I had to send an email to cancel it. An alternative I also like is just t

I would be annoyed if a SaaS didn't auto-renew by default. And I'd also be annoyed if I had to send an email to cancel it. An alternative I also like is just to add account credit for metered usage.