Two more!
12. Emphasize things that produce lots of food in little space. More space to them, less to less efficient things. Pick prolific varieties. Grow things that can do well on bad soil.
13. Use beans, peas, and legumes as cover crops. I plant them all in one plot, pick them, turn them under. That way I don’t need a cover crop plot for soil building that’s not producing anything to eat.
I would add, plant things that look like weeds. Amaranth, quinoa (looks like lambs quarters), wonderberry (looks like deadly nightshade, but the flowers are white-to-cream instead of purple). There are also many plants that will look like their wild cousins simply by not being planted in rows (carrots, parsnips, sorrel).
Also, nurture wildlife in your area, and learn to trap. Traps are quiet, gunshots make noise.