I don't do much canning any more, because there's just one of me and I don't have that much of a garden, either... but when I used to put up a lot of food for the winter, it was always a challenge to find equipment at a good price. If you wind up paying too much for jars, canners, and canning toys like lid lifters and special tongs, canning your own food can cost you more than you can save.
I have an article on Dollar Stretcher about how to buy used canning equipment, so I won't go into it now, but watch your costs and don't forget to include the fuel it takes, either.
Because things used to save money in the past is not guarantee that they still do. Using a wood burning cookstove to cook all day may not cost much in real money, but keeping an electric or gas kitchen range going for hours does cost.
It's not always easy to back up and look at things the way they really are, but if you make the effort, you'll be dollars and cents ahead!