I had my horses at a stable, made a friends with the hay guy and then moved my horses to my farm and kept getting the hay from the same guy as the barn I moved from used.
My dad grows and bales it and when he does its always hard work. He also sells it too, but its usually in the winter time, our hay shed looking pretty empty the now like
Local adds in the newspaper. I found a great supplier through word of mouth, a new guy who was just starting. Really honest and great prices. Search your newspapers.