Because Walmart likes to release its most jaw-dropping TV deals as a handful of pre-meditated doorbusters, more shoppers will be waiting in the wings for the clock to strike a certain time (rather than calmly perusing several pages of TV deals) — which means TVs selling out is more likely and time is of the essence.

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The Cyber Monday sales are underway, which means it’s one of the best times of the year to buy a new TV. If you’re hoping to make a living room upgrade but aren’t sure which set to get — and you don’t want to fall victim to the many junky deals retailers throw out this time of year — we’re here to help.