Credit: AP Photo/Seth Perlman Today’s “deal of the day” might be an upgrade to your current TV setup. Walmart just announced its Black Friday sales, including special prices on three big-screen TVs. But two of its Black Friday prices were accidentally made live early: Both are Samsung 4k smart TVs. The 65-inch is marked down to $478, over $70 off, and the 58-inch is $398, over $50 off. Both have stellar reviews for the price and functionality compared to the competition.