version of this product is retailing for $349 at most other sites including Amazon and others. Costco has listed it for $299 and is giving at $100 instant discount. Key differences between Costco (R8300 model) vs others (R8500 model) are
1. Costco model has 1 USB 3.0 port, other model has an additional USB 2.0 port
2. Costco model is limited to 600 mbps on 2.4 GHz band, other model can go upto 1000 mbps.
Lowest price on Amazon for R8500 is $229 per the Camel.
Was $50 off until few days ago, looks like Costco increased promotion to $100 off to move the units.
Note: item is available in my local Costco, you may call and check (item #1069537)