Defra & Animal Health dpt for your holding number and flock no before you get a goat. Walk your perimeter fence to spot any weak points , you might be surprised by a goats ability to jump a 5ft fence from a standing jump, they are experts at opening gates and doors and escaping. I would be inclined towards finding your nearest goat keeper and spending some time learning about them. This time of year things will be dying off anyway so no food value in dead vegetation, they cannot live off fresh air alone, so nothing for them to brouse off just means they will go off to find food elsewhere. They will need adequate warm, dry shelter , and a ready supply of hay and water, and as already pointed out what will you do when they run out of stuff to browse off ? . do you want to keep milkers or just a couple of castrated billys for the freezer at a later date. Feet have to be trimmed every 4-6 weeks, worming and normal preventive programs for their health and well being, There is a lot more to it than just buying any old goat from Preloved.