Financial crisis is the most dangerous thing ever that normally threaeten the global market whenever it occurs. Most businesses normally collapse and may take a long duration to come back to normal. Some even rich a level beyond recovery. The worst financial crisis that affected many nations for a long time, was the oil production crisis.
That is why it is so important to look ahead and think about what you will do if the situation changes, I mean the economic situation. And in general, you have to develop in different directions, you never know what will happen tomorrow.