Do Cable Tv shows really help you with your home?

A lot of Cable TV shows show you how to remodel, rearrange, decorate, and sell your home. But do the tips they give really help you with your project. I find that some of these shows give very good tips and ideas, but some of them you might have to Tivo because they are moving so fast on a project which you and I knows it takes a little longer to do. But then again you have to think about the television time they have to get out all of this information. So many shows, so many different channels, how do you choose? Which is the most informative on the subject of do it yourself? But then theres always...THE CONTRACTOR!!!