If you want to learn about Long Term Food Storage using A Vacuum Sealer and Canning Jars just go here
She has an excellent Tutorial on how to do it and some things to look out for. She’ll be putting a video Tutorial up later. Check it out, she makes it look so easy ( which it is) instead of overwhelming.
There are other sites too where you can learn how to prepare Meals In A Jar ( they’re great and require adding water only!)