Looking for Do I Need to Use a Canner and How to Choose a Canner in 2019? Scroll down this page and follow the links. And if you bring home some fruit or vegetables and want to can, freeze, make jam, salsa or pickles, see this page for simple, reliable, illustrated canning, freezing or preserving directions. There are plenty of other related resources, click on the resources dropdown above.
If you are considering canning foods at home, home food preservation, making jams, jellies, salsa, sauces, fruit butters, pickles, etc., you may be using a hand-me-down recipe and a method that is prone to spoilage and food poisoning.
Using lab tested recipes (like ours) is part of the solution, but so is using the proper method and canning equipment.