He must be laughing his socks off now, he is still tearing everyone apart, even though he has died. I am so sorry for you applejac, to love someone even in those circumstances takes a lot. Maybe when the dust settles a bit, you can get to enjoy a good relationship with your sisters, money isn't everything.
It is very sad that your father could not see what he had in front of him when he was alive and appreciate the love he could have had. As he was like this even before he found out about your mother's "indiscretions", it makes me wonder how he got to be like that. It sounds like he has led a bitter, sad life and you don't want that legacy.