I am practicing food preservation techniques and do have a small vegetable garden (but make no pretense that this can feed me).

We helped build the seed library at our town's library and volunteer at the community garden there as well. This has put us in touch with other growers in the area and we've been talking up mutual aid networks and sharing (and receiving) food in that group and with our neighbors. We barter plants with a nearby guy who grows culinary mushrooms, eggs with the neighbors who hunt, and take hikes with the neighbor who's been foraging wild mushies for decades

Right now we're both gardening –trying to go full-scale urban farm, in fact, but not there yet– and participating deeply in local mutual aid networks and the gift economy.

Dumpster diving just isn't where it's at, anymore, for food. Most grocers willingly participate in "grocery rescue" programs, which usually routes unsold food to pantries, community kitchens, love fridges, and mutual aid "free stores". They get tax write-offs and save on their garbage bill, volunteers take away old baked goods, sketchy produce, and nearly-expired prepared or preserved foods.

And of course, eating less meat and getting a greater percentage of it from local farms.

Intermittent fasting.

If you're not prepared to experience hunger, you're not prepared.

Also, not eating one day in three cuts my budget by a third 😆

I keep foraging. I keep learning to recognise more plants. I keep improving my cooking skills, to learn to avoid process ingredient sand identify quality ones. I'm also careful to adapt my cooking to whatever is cheap at the time within the quality window I've set for myself.