The biggest thing you can do is understand that every time you're going to the grocery store, you're voting with your dollars. Support your farmers' market. Support local food. Really learn to cook.
I think the basic thing that home cooks can learn how to do is just season properly... If the home cook realized how little salt they use compared to what's needed, it would make their food taste better.
A good chef has to be a manager, a businessman and a great cook. To marry all three together is sometimes difficult.
Sorry, I'm not much of a cook.
Baking is too precise for me. I cook with a pinch of this or that.
I would love to do a cookery show and cookery books. I'm not a professional cook, but I can definitely cook. I know the difference between good and bad cooking. I mean, when I was in 'Big Brother' I was the glorified cook of the house, so if I got offered my own show - then why not?