Canning is a basic survival skill, one that works very well, also canned food from fresh garden items generally taste far better then store bought anything. So canning is making better food available to you and your family, year round. Everyone knows fresh garden ripe tomatoes are the best tasting, when canned the sauces they make are just out of this world!
You can reuse your jars and the rings, the lids should be replaced each time you can something new in the jar. So remember to stock up on lids and some extra jars and rings as well. Keep your canning recipes and instructions in writing with your jars and other canning supplies. You never know when you will need the information in written form.