EB Games have 50% off a bunch of Switch, Switch Lite & 3DS Accessories, Cases, Skins etc. There are also some odds and ends for other systems.
A few examples:
Nintendo Switch PDP Wired Fight Pad Pro Controllers (Link, Mario, Yoshi, Zelda, Sonic)
$34.95$17.48 - Previous $24.98 Deal
Switch Lite Cases
Nintendo Switch Mario Kart Play and Protect Skin
Nintendo Switch - The Legend of Zelda: Breath of the Wild HORI Slim Pouch
Super Mario HORI Lux Pouch For Nintendo Switch & Nintendo Switch Lite
Pikachu HORI Lux Pouch for Nintendo Switch & Nintendo Switch Lite
eBay Link - Some items also available here (C&C or Free Delivery on $15+ items with eBay Plus).
eBay Link for Switch PDP Controllers with free eBay Plus Delivery. Edit: Mario now sold out. Edit 2: Link now sold out.