You only ever have three things: 1) your self, wellbeing and mindset 2) Your life network, resources and resourcefulness 3) Your reputation and goodwill. Treasure and tend the first. Value, support and build the second. And mindfully, wisely ensure that the third (your life current and savings account) is always in credit.
Let's stop kidding ourselves that Greek debt is the Euro's key problem. With Greece gone, who's next ?
God's people are not to accumulate stuff for tomorrow but to share indiscriminately with the scandalous and holy confidence that God will provide for tomorrow. Then we need not stockpile stuff in barns or a 401(k), especially when there is someone in need.