Most parents don't put a lot of credence in the statements "Everyone is doing it" and "No one does that anymore." They'll dig a little deeper and get the facts of the situation. Interestingly, when it comes to buying a home, similar common myths continue to prevail surrounding what it takes to buy a home. One of the most common myths is that it takes 20% down payment to get into a home. Certainly, an 80%...