One of the stores on Rakuten has Netgear Orbi RBK50 kit for $335. Price shown once you add it to the cart. Rakuten has 20% off flash sale going on today till 11:59pm PST, max $50, which brings price down to $285.
Seller: Nothing but Savings
Add item to the cart
Apply FLASH20 coupon
No tax for majority of states (Massachusetts, Ohio, Tennessee and California have to pay taxes)
You will also get 5% back in Rakuten points, which you can use for next purchase (~$16)