Walmart and Target are currently selling Mario Kart 8 Deluxe, Super Mario Party, and Super Mario Odyssey for about $45 each.  If you're interested, you should probably grab them now.

Link:
Walmart - $45.49 Mario Kart 8 Deluxe
Target - $45.49 Mario Kart 8 Deluxe
Target - $45.49 Super Mario Party
Walmart  - $45 Super Mario Odyssey
Target - $48.99 Super Mario Odyssey