>bulk dry rice
>bulk dry beans
>$1 frozen veggies bag, once a day
You are eating, at a maximum, $2 a day assuming you aren't a lard ass. Eat only this for a few weeks.
As your savings build up every week, $6 or so, invest in flavor enhancers,
>stock, bouillon powder/cubes/pastes, spices herbs, sauces, oils
>buy in bulk of course
Now you are still eating rice and beans, but at least you have the means to change up the flavor a bit as you wish. Make one batch spicy, one herby, whatever floats your boat.
Once you have all the flavor enhancers you have deemed necessary for yourself, now its time to choose convenience or variety first.
At this point its been a few months, and your routine is the same. Rice and beans. You have gotten comfortable with cooking even though its only two things. And you have amassed a good amount of savings you can invest.
(1) For convenience, I would recommend buying the Instant pot from Amazon. Will save you a tremendous amount of time with your bean preparation, and its easy to operate. I'm sure you can find a useful way to invest the time you've freed up, according to your personal circumstances. Maybe an odd job here and there for extra money.
(2) If variety is your priority over convenience at this point, now is the time to invest your money in freezer bags, small kitchen tools like vegetable peelers, measuring cups and spoons and so on.
Things that will allow you to prepare and cook different things, and also store anything that you need to, like meat in the fridge.
You can now buy vegetables and meat on sale. Don't get crazy and fuck yourself over.
>cabbage, onions, potatoes, pasta, carrots, broccoli, etc cheap shit
>the only meat i really mean is chicken, chicken thighs on sale 99c a pound, or offal like chicken hearts
Doesn't matter which of those steps you do first, because you'll do both eventually. Personally I went with the Instant Pot step first.