Micro Center Insider Credit Card Financing option? How to Select in checkout?

Welling1

I'm interested in buying a product using a Micro Center Insider Credit Card with a 12 month financing option.
I have not yet applied for the card because when I'm in MY CART, there is no financing option available — the only option is for the 5% price discount if I go and get the card. Yet the 12 month financing option does appear next to the product elsewhere on the site.
1. How do I select a 12 month financing option with the card as my payment option? My concern is that for some reason the product I want is not legible for 12 month financing (although it is seen on other areas of the site, just not in my cart.
2. OR Do I need to just apply/get accepted for the card and then go to the Brooklyn location and skip doing anything online related to buying???
My main concern is that if the product I want DOESN'T do 12 month financing, then I DO NOT want to have to go through the process to get the card.