I recently traveled with FlixBus and had an extremely negative experience that has made me reconsider using this service in the future. Before the trip even began, the driver treated me with complete disrespect. He accused me of speaking in English instead of his preferred language (Polish) and even threatened not to let me board the bus, despite me having a valid ticket. When I asked for documentation regarding the additional charge for my luggage, the driver was unable to provide any. Instead, he called some unknown individuals who could not give any clear answers about the issue. Furthermore, the drivers allowed the bus to depart as soon as passengers boarded, without giving them time to find seats, creating dangerous situations for everyone on board. I absolutely do not recommend this service after experiencing such treatment.