This is the upshot of having an embarrassment of riches! You can essentially piss in peoples faces and have a laugh while doing it.
I’m not for one minute suggesting he’s making it up as he goes along. But I don’t honestly think he changes his mind as often as he says he does either!
And this line about the horse telling him where they go is even worse! Unless the secret to his success over the years is that he does actually have a stable full of Mr Ed’s!