Out in my area of BFE...I have several neighbors who have vacated their city lifestyle for some country livin'. And the first things they wanna do is get some horses and chickens and dogs and cats and goats and maybe a piggy and some rocking chairs. It'll be so charming!
Having been raised on a farm, let me tell you, forget the rocking chairs. There will be no time for rocking. Livestock is 24/7/365. It is a high maintenance endeavor. Even chickens, which admittedly are one of the lower maintenance animals, still require constant attention. Look at the pictures above and see the structures, land, environment, tools, equipment, and research of product needed for example.
Live stock does not take Christmas off, nor do they understand about vacations. You will need to enlist someone to take over your lifestyle choices when you leave, and they might not be so understanding about that...especially after repeated requests for help.
Have dogs? Bird dogs? Training dogs that naturally wanna go after birds to not do that, is a challenge that may never materialize. In my area at least, predators are a constant issue. Hawks, coyotes, bobcats, snakes....dogs. If you free-range chickens, this becomes immediately real. You must also posses an ability to not get emotionally attached to them, and if you have kids, forget that.
Please forgive me. My buzzkill-ness is not what I wanna do. Many folks do these things and thoroughly enjoy it. Most often though they are retired and no longer have a traditional job existence, or they are farmers by trade. Just understand, it is a large commitment to something that's involved and takes a lot of time, and even with being clever, takes money.
I can relay that of all the folks in my area that have livestock, none of them were raised on a farm. The farm-raised kids like me, are now quite content with going to the store and spending $2 on a dozen eggs when needed.