Thank you Guy for mentioning these aspects and helping me to improve the stay for my guests. In fact, I agreed to letting you check-in on the same day of somebody else check-out which was not enough time for me to clean the complete apartment and finish the washing machine. I will plan one day in between for future bookings. I also exchanged the shower curtain by now. The good news is that the scaffolding was removed from in front of my windows and balcony.