Reaching an airport to catch a flight is a good Strategy example used in reality:
If we want to save money and we leave early, we can go by bus/train
If we don't mind paying for a parking place and have our own car, we can go by car
If we don't have a car but we are in a hurry, we can take a taxi
There are trade-offs between cost, time, convenience, and so forth. The following figure, courtesy of www.sourcemaking.com [j.mp/strategypat], shows an example of the different ways (strategies) you can reach the airport:
