I eventually went to test the checkout page.
And that particular page refused to load the "payment info" section where one could enter credit card information.
And after filling in address inforation, it would not then advance.
I then decided that my best option was to use the checkout wizard to rebuild all the pages from scratch.
Then when I uploaded, the new checkout page had both sections on the same page, each with its independent button.
When I hit the "submit" button by the credit card information section at the top of the page, I got a white page with credit card info on and nothing further, and that would not let me do anything.
And if I tried hitting the "Continue" button where name and address were input, the checkout page just hung immediately with a wheel going round and round indefinitely.
Thank you.