How much would it cost to replace a head gasket for a car?

I'm looking for a car and I seen that someone was selling their 1997 sebring convertable for $1000 which would be perfect for me. It also got a new transmition a few years ago. Then it said that it may need a head gasket replaced in the future. I was wondering how much it would cost to replace the head gasket.How much would it cost to replace a head gasket for a car?it should not cost you no more than 700-800 and thats with parts includedHow much would it cost to replace a head gasket for a car?if the head gasket is,nt leaking then i would,nt be worrying about it until it happens.that,s in the future. you need to worry about the other stuff now.