I've read/watched all the documentation and scoured your community forum and I still can't figure out how to get the upgrade feature to work on my site.
If you go to my site and subscribe (the gateway is still in sandbox), you should be directed to a welcome page with a menu on the right. If you click my subscription, you see "Upgrades Not Available". I'm sure I've set it up incorrectly. Here's what I want and maybe you can tell me how best to set it up to achieve this:
Both Monthly and Annual Subscriptions are set as serial, and then it renews at same level after the set period of time. I would like for Monthly subscribers to have the option to upgrade to Annual, which is where I believe the upgrade feature comes in handy. It is a moot point for annual subscribers b/c they are already at the top subscription level.
Is it possible for monthly subscribers to have the option to upgrade and for no option to be visible for annual subscribers? How can I set this up?
Thank you so much for your help!!