But the list of arguments can be continued.

It is difficult to calculate in advance and overhead costs. To save on them, you need to buy tickets at a discount, book a cheap hotel, find out where inexpensive food is sold, do not use the phone in roaming and do not go in vain for hundreds of kilometers to consider obviously “empty” offers. Arguments have already been listed enough to abandon the thought to independently solve the issue and order a car from Germany from people who do this professionally. But the list of arguments can be continued. Experience is important, because you can not notice defects. Language barrier will not allow you to bargain and correctly ask questions.