Parking car is a serious matter and should not be taken lightly because you might get some accident if you are not careful enough. Either get yourself hurt or someone hurt because you have not taken it seriously. That is the reason why you need to practice your skill in parking.
What is even harder than parking a car?
The only thing that would be harder than it is to park your car in a public parking space since there are many car owners that are parking it there. Imagine how difficult it is to squeeze your car in a tight space.