Many people would like their pets to do something useful around the house. And while dogs can be taught to bring slippers or some other small stuff, cats seem to be absolutely useless creatures. However, it's not completely true - cats can do something, but far not everyone would agree to ask them because the price of their service is incredibly high! No, we are not talking about something delicious to praise your fluffy friends - modern cats prefer cash and don't hesitate to take credit cards when needed. Watch and prove yourself!