tello subscriptions are set up to renew automatically. Your account will be billed monthly or annually, based on the subscription you choose, much like Netflix and Hulu.
Our site doesn't store or have access to your credit card information. We maintain PCI Compliance with our payment processor and the transactions, as well as all site traffic, are secured over SSL connections.
We don't sell any information about you, we think that's wrong. Your privacy and security is of the utmost importance to us and the only way we make money is through the subscriptions and contributions of tello members.