Quote Originally Posted by JohnGabriel View Post
You can still find BfA on Amazon for $30.

But BfA is the expansion not the whole game. Are you sure you used BfA on the starter account and not the "Complete Collection"?
I can confirm that I used the $30 holiday sale of BFA only. I also was able to delete the account afterwards with the referenced link, so even if I'm wrong/confused, there was no lasting impact to my battle.net (besides being past WOW8)