That swanson broth will start to smell if you dont' use it within the 14 day time window. I know, I've opened up one and WHEW!!!
As for the leftovers, I freeze leftover broth and evaporated milk, etc. in ice cube trays and then put in baggies. It's so easy to put the cubes into something I'm cooking.
And Margaritaville, look for tubes of tomato paste. They are on the same aisle, but usually hidden on the top or bottom shelf. The tube of tomato paste is my friend and it does last a LONG time. I was like you and hated throwing away a whole can for using 1 tbsp. out of until I saw the resealable tubes you could buy.
You can go to the Duke's site and they will tell you what states they sell in. But I think it's only in the EAst.
Other people have asked me that about the show and I never watched it. The area is charming. It's one of the most beautiful places I've ever been too.