What's the practicality of switching back to horses? It's prohibitively expensive to do so because using horses as a form of transportation is just not support

What's the practicality of switching back to horses? It's prohibitively expensive to do so because using horses as a form of transportation is just not supported by the modern market. I say this as someone who suffers from motion sickness, yet who rides in planes and buses. There simply aren't any reasonably easy alternatives.