Want emergencies can you think of which would require such fast access to cash? For example if you need to replace a big ticket item (car, house...) which has b

Want emergencies can you think of which would require such fast access to cash? For example if you need to replace a big ticket item (car, house...) which has been destroyed it will take longer than that to find a replacement. Most short term emergencies requiring something like rent car, rent living space, flying somewhere can be handled by putting the cost on a credit card.