You’d be surprised what you can grow in limited spaces or even growing indoors. Lettuce is one of the easiest things to grow and can be done indoors. A pack of dirt, a couple of pots (can use containers), and seeds. I grew a garden in the NE winter in my basement. If you ever want some pointers I’m happy to help. There’s also some videos of I believe Thai people, who use everyday containers like plastic soda bottles or gallon jugs to plant. It really can be done!