Cool, thanks! I got mine ordered. Just so that people know how it worked for me, I did mine on the website. It send me an email two days later with a link to click to buy it for $49. It basically auto-applies a one time use discount code. The website wasn't working great for me, having a lot of errors. So I had to sign in/ out and click the email multiple times. But that didn't mess up using the code.
Btw, from my experience, buying from Samsung's website is not a good experience. I would only do it for promotions like this and like when I got the $100 promotion to spend for signing up for Samsung Pay. I bought the thin fast charge battery pack back then.