In the mid 50’s, a family could survive on one income. Today, very few can manage on two. And that won’t be enough in another few years.It’s a shaky future. All of us would be wise to have multiple incomes flowing into our bank accounts.Prosperous people have always known this. If one income vanishes, they have others to support them. Ordinary people are much more vulnerable. If they lose even one of their incomes, it wipes them out. It could take years to improve this situation and the r.