OT does anyone have a costco membership?

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@Mike Olson said:
Buy Ubiquiti instead. Better quality gear, excellent company, though much of their stuff is above consumer grade it is fairly inexpensive. My house runs on Ubiquity.

Also if you are running a combined modem, router, and wifi in one box you are running mediocre everything pretty much. 

Educate me on what makes them better.
Which devices do you have?