Here’s something interesting regarding aMember. If you add a new product and find that it does not show up at all in the list of products members can renew or purchase, chances are it has to do with negative product groups. Negative product groups are very popular among aMember admins because it lets you hide certain products from the sign up page.
What people don’t often know is a single negative product ID will also prevent the product from being listed in your renewal page so people can’t find it to renew. The alternative is to add a positive ID to product group as well. But you’re not done. Make sure the positive ID comes before the negative ID. In other words (-77, 125) works but (125, -77) doesn’t.