Tebex is a our recommendation for monetizing Rust Servers. It's free, and its very powerfull tool to create subscription, sell packages and easy integration through RCON or their plugin
How do servers rank on Rustservers.gg
There are multiple ways servers get ranked you could just have a high populated server and get in the ranking automatically. You can vote on your favorite servers, and you can get premium to rank higher.
How do i cancel my premium?
To cancel your PayPal subscriptions, log in to your PayPal account and click the gear icon at the top right corner. Go to Payments-->Manage automatic payments. Click the subscription name and click Cancel in the Status section.