Black Friday 2018: The best Nintendo Switch deals give you Mario Kart 8 Deluxe for free
https://www.cnet.com/news/best-black-friday-2018-deal-on-the-nintendo-switch-free-mario-kart-8-deluxe/
For now, then, it's a three-way tie. But keep checking this post, because we'll be updating it if and when we spot a better deal. (If you already have, share it in the comments!)
CNET's Holiday Gift Guide: The place to find the best tech gifts for 2018.