After building out your products and components, you must to verify the setup of your Site through simulating real usage. This way, you’ll know that your configuration options are correct. Additionally, you’ll know more about what your customers will experience.
Once you have created a Site that matches your product offering in test mode, you’ll want to use this sandbox site to sign up subscribers, cancel subscribers, reactivate subscriptions, etc. Your goal is to simulate the life cycle of a subscription. This way you’ll be better equipped to deal with subscription questions as they come up from your valued subscribers.
Test Mode: Test mode only allows you to connect to “test” payment gateways (i.e. an Authorize.Net developers account) You may freely delete products and subscriptions on a Test Site, using the “Clear Data” functionality Advanced Billing reserves the right to delete test site data automatically after a certain time frame (i.e. any subscriptions created more than 3 months ago may be deleted).
Live Mode: Live mode will allow you to accept live credit cards with your gateway. When you are in live mode, your gateway should also be in live mode.