The P-Series Quantum X is Vizio's most colorful — and most expensive — line of TVs yet, but Costco has a super sweet deal. Credit: vizio There's so much hype around Black Friday TV sales from ...

Here's an example: Costco will sell the 80-inch Vizio 4K smart TV for $2,500. No model is given, but it could be the E80-E3, which typically sells for about $3,000; we found it for $2,500 at B&H.