If you do not like Real Estate, all you have to do is make hamburgers, build a business around that hamburger, and franchise it.
That the question of likability even exists in literary conversations is odd. It implies that we are engaging in a courtship. When characters are unlikable, they don’t meet our mutable, varying standards. Certainly we can find kinship in fiction, but literary merit shouldn’t be dictated by whether we want to be friends or lovers with those about whom we read.