Yes, when they have what they want they can't find the money to pay outstanding invoices. When they need something more, then the money becomes available. The

Yes, when they have what they want they can't find the money to pay outstanding invoices. When they need something more, then the money becomes available. The only recourses are to require payment in advance, or to pursue them through the courts. Risk assessment and Game Theoretic analysis are required when dealing with new business and large companies.