This doesn't necessarily mean a 65-inch (or larger) TV is right for you, though. If you have a smaller space or a limited budget, a 55-inch TV might be in your personal Goldilocks zone.

Walmart has a huge discount on this 55-inch Samsung QLED 4K TV that will save you over $500 — but this deal is only here for the holidays. Grab it online before this last-minute sale ends.