Best Buy is running the $25 off $100 visa checkout promo again, you can use it to snag some switch games a bit cheaper. Your order MUST be $100 or more, you must click the visa checkout button at the bottom right of the cart page (not best buy checkout), you'll have to create a visa checkout account, GCU still applies, yadda yadda. You could do bundles like
Zelda Special edition - $25 (will have to add $20.01 filler if you have GCU since it discounts to $80)
Mario Kart 8 Deluxe + Splatoon 2 + $5 filler (cable, movies, etc) - $25
weaboo games etc
Some fillers you can use to hit $100 are movies (lotta blurays on sale), $5 best buy gift card, $5 USB cables, etc.
With GCU $60 MSRP games drop to $38+tax, you'll have a hard time beating that price on Nintendo first party games.
It WOULD apply to Switch controllers and such but unfortunately i don't think they are listed yet for sale on the best buy site.
Can do in store pickup on pre orders or ship, doesn't matter. If you cancel one thing in an order down the line the entire discount is wiped so bundle smartly, if you do decide to pre order. You can cancel anytime, last time the pre order went out I made 24 orders of 2 games each but have ended up cancelling about half of them when I realized I have zero desire to play Resident Evil 7, Tales of Berseria, Nioh, etc.
Amazon has 200GB microSD card for $66, it was $50 over black friday
Amazon.com: SanDisk Ultra 200GB Micro SD (SDSDQUAN-200G-G4A): Computers & Accessories