For TV programming it is the cheapest of the cheapest. Fairly easy to do 28 minutes at almost zero cost - ingredients, cameraman (husband) and a spot of not too demanding editing. Even at 2500 an hour, it can be financially worthwhile, because you can do several of these a week without too much stress.
But from a purely commercial POV, the money is in franchising. Create a program format with concept, pilots, graphics and music - a production package, if you will - and it could be worth several millions in Europe, such is the state of our media today. There's sex, food and nappies. As Chris C. says 'It's not pocket science'. You can't be me, I'm taken