In smaller cities you can let people park outside and they will be able to walk in within minutes. That's even better than using crowded public transport.
Rents are skyrocketing in Berlin because everybody and their friend wants to visit us or live here. At the same time for decades no new buildings were built. Remember? Supply and demand.
Yet rents are still not as high as in New York, London, Paris, Munich or even Hamburg so that people from everywhere flock here.