https://sellout.woot.com/offers/sandisk-256gb-microsdxc-card-for-switch-4 256GB SanDisk microSDXC Nintendo Switch/Switch Lite Memory Card (New/Bulk Non-Retail Packaging) on clearance for $19.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.