Oh, and Jewlz, I think you're right about supply teaching, but there aren't any requirements for private tutors to have qualifications, so if there is a subject you think you could tutor, there are websites where you can advertise or even just putting up a notice on the local supermarket community adverts board.
For buying meat, the butcher is so much better and often cheaper than the supermarket. We don't have one in our town, but there is a fab one in a town 2 miles away from us, and I have been surprised everytime with how little the final price comes to!