It's all cool Ike, I was confused as hell too with the BF deals... The 3DS with preloaded MK7 bundle came after BF so I can see a number of people going to return their purchased 3DS exchanging for this bundle.
If you have a TRU reward card, this deal potentially netting another $20 on top of the $30 GC. But the sales tax is on the full $199.99 amount remember that
And if you have the $20 Groupon, you can use it to get the 3DS XL bundle for $179.99, which lowers the sales tax

But the reward amount is $18 (10% of $179.99).
Giving that most people are on the fence on the new 3DS XL, I don't think TRU will run of stocks. But as always, good luck CAGs

And oh, thanks everybody, especially OP, for the info!