U.S., Sept. 18 -- This experience will explain that the Apple Credit Card issued by Goldman Sachs is not a winning partnership for new purchases from Apple, and here is why.

On Tuesday Apple announced its new 6th generation Apple watch. I was very excited about the new fitness app that comes with the watch and decided to order one.

I went to the online Apple Store at apple.com and it was easy to find the watch, apply my trade-in, and going to the order page. I did not realize that such a simple purchase would be made impossible by Apple Card Support from Goldman Sachs.

Once at the order page there are two options. One to pay in full, the other pay in interest-free installments. Interest-free sounded excitement, so when I went clicked o...