ainsley: tv's are the most popular item to buy on black friday. here are the deals you need to know before you leave your house. "consumer reports" electronics expert jim wilcox. thank you for joining us. >> good morning. ainsley: people are ready to buy and save money. what do we need to know when buying tv's. >> tv's are great. you see really low prices on brands you probably haven't heard of. those are the door buster specials. a lot of the times designed to get you into the store and hopefully you will buy more profitable goods. with tvs, these are the -- prices are lowest of the year so people want to buy them. steve: actually you brought two televisions. this is the more expensive it's the lg. why do you like that. >> this is one of the best tvs you can buy this year. olets has dominated our ratings the last couple of years. when we bought this tv in april it was $3,000. the price right now is $1,500. you will walk away with one the best tvs you can buy. it's a 55-inch tv 4 k.