If I can help you, I still hope to adopt.
Feeding the mount is free. It takes time! Go to Cangshan to collect horsegrass. The premise is that you need to learn the life skills of picking herbs. The requirement for skill level is not very high. I'll go up with a little practice.
There are several kinds of horsegrass in Cangshan, including first-class horsegrass, second-class horsegrass, third-class horsegrass and fourth-class horsegrass. The higher the level of horsegrass, the more physical strength is needed for a collection. It takes 100 physical strength to collect four-level horsegrass at a time.