Life used to be simple. Grow up, get an inheritance or bequest from your parents when they passed on, make your mark in the world. After that, in turn, leave an inheritance to your kids to let them make their mark on the world. But with longer lifespans, the Sandwich Generation, who have to look after their elderly parents as well as young kids, have begun to question this received wisdom. So, can the Sandwich Generation afford to leave their kids an inheritance?