Good point! This brings me to a clarification: Horses are more high maintenance and expensive than beef cattle. Dairy cattle though? They're the equines of the bovine world.
Horses are extremely high maintenance. Cattle are easy. Horses are usually easy on fences. Cattle aren't.
I guess overall cattle are easier. They both have their pros and cons though.
Where is your experienced horse friend? This is why I warned you about the info you received on the mare. It reeked of sugar coating and half truths. That is extremely dangerous behavior.
I would reach out to thr experienced horse friend that has been helping you, and have them work with all...