The basment guys? legit company?

i entered a contest they had that was listed on my local news channels website and they called me and asked me if i wanted a free inspection with no obligation to buy anything on top of that they are giving me a free 1,000 dolor gift certificate is this just a scam or come on my dad says they will make up something that cost 7,000 and then just take a 1,000 off and make it 6,000