Here's one person's take on what a x home lot can provide as a small farm. Depending upon your local city codes you may not be able to have things like the pigs (maybe goats, if any meat / dairy animal at all).
Fantastic Fairy Gardens Idea Box by House Of Hawthornes
Backyards offer a huge scale for your fairy garden. Not only can you create a huge farm, but you can have multiple buildings with multiple “scenes”. A pig barn, a cattle barn, a horse barn, and maybe a blacksmithing barn.
Raising Tilapia - Easier Than You& Think If you had Tilapia and chickens, goats (and maybe a cow or two) for milking, a garden and some fruit and nut trees. these are some of the things my dream home would have.