I made https://extensionpay.com https://extensionpay.com, a service to let browser extension developers easily take payments for their extensions. But I feel l

I made https://extensionpay.com https://extensionpay.com, a service to let browser extension developers easily take payments for their extensions. But I feel like making a SaaS isn't really passive income — it's flywheel income. Takes a lot of up-front work to get it spinning and then requires a little effort here and there to keep it going.