only a ranger or a trader can have more than one horse at a time, and thats only by putting whichever other ones in "storage" <i.e. an animal storage voucher>
<<Because it's a gigantic can of worms. Eldritch, necrotic, squamous worms, writhing in a vile stew of coagulating ichor, crushed from the living gullets of a thousand infant puppies, ululating in wordless terror. - Lorz>>