how's this?
Basically it was an item saying 'save money by making your own lunch'. And that was about it. I listened partly out of incredulity and partly just to see whether I might have been missing out on something valuable. I wasn't
Actually, tell a lie, there were some really useful tips, something about using tupperware and something else about how you should include fresh fruit and veg. Even a child could work that out for themselves.