We used to. I say used to because we sold everything we owned and went off the cycle around the world and since getting back don't have a large garden.
We used to have a very large garden available to us, over 2 acres. We had a sizeable veg plot, large greenhouse, large soft fruit area, huge fresh herbs area, an secondary veg area where stuff that could tolerate harder conditions and less fertile spoil grew, as well as numerous fruit trees growing around the place. I also had various edible flowers growing in my borders as well. Once you got the hang of it, the only really busy times of year were the main sewing season, but it was essential to ensure that you didn't sew all the lettuce seeds, peas, beans, leeks, at the same time, - that is to say all of the same crop at the same time, but scatter a handful of seeds once a week. Neat rows made weeding easier, in that if it was not in that line, it was weeded out.
I loved it and really miss it. Hopefully when life settles down again we will start up that way again. In summer we hardly even needed to buy veg unless we had had a complete failure of one particular crop. Through winter we would not need to purchase the staples, such as potatoes, leeks, kale, etc. Spring just before things stayed to really grow was when we used supermarket veg the most, but we also harvested wild from our garden as well, so often used to eat nettle (very tasty and better for you than spinach and something we would look forward to), hop tops (similar to asparagus) and other young leaves.