The current version of GoCentral will not be able to do what you want. I would suggest considering WordPress with a WooCommerce setup if that's what you need.
That being said, the GoCentral team makes great strides to make the product better each day.
I am a GoDaddy End User - Just Like You * Please note that I offer free advice on this forum. I DO NOT answer private messages. Please ask your question in the proper forum so the answer can assist EVERYONE in the community and not just you. Thanks! *
Once your issue is resolved, please be sure to come back and click accept for the solution