Agreed with what buffalobo was saying. The mormons have a ton of information available for getting started with preparedness, esp. food storage.
https://providentliving.churchofjesu...orage?lang=eng
When most of the canneries closed up the self-canning, the LDS church put some extra effort into their website. You can find a lot of the same stuff listed there, either for direct ship to you or to at least price compare what might be at the local stores.
https://store.churchofjesuschrist.or...345616678849-1
Fun note, the dried refried beans are actually kinda good as snacky-type food eaten dry. I found the carrots odd tasting myself though. Kinda a weird sweet taste that I can't identify.
All that being said, like many I'm a big fan of "buy what you eat" as the first thing you should be thinking about. Having a ton of rice and beans is quick and cheap insurance, but I'm a big fan of rotating things like canned chili and costco canned meats, etc. that you might actually enjoy eating too. Water should usually be your first prep but you don't need fancy containers, etc. for all of that. Start with more "realistic" prepping challenges and go from there. You're much more likely to need to have food / water /etc. for a week stuck in a blizzard without electricity than you are to be stuck hiding in your house from coronavirus for 6 months, etc. Get in the habit of buying food you like and putting it in the basement/back of pantry and then rotating the same stuff you bought 3-6 months ago or whatever to the front and eat it next. Pick a weekend and for fun try to make a couple meals out of whatever you have stored and see if you actually like it / know how to cook it. A lot of the commercial prepper-marketed stuff is not amazing and overpriced. Mountain House food is often considered on the "better" end, and you can find individual bags at walmart for not too much, or costco/sams often have packs of them. Not a horrible option, but I wouldn't go crazy buying a lot of that sort of stuff.
Not sure if it's still out there, but Costco did used to have an 80lb tub of bulk prepper mac and cheese you could buy if you were nuts.
