Staying at John's place was the highlight of my stay in Amsterdam. His directions were very easy to follow, and his apartment is just one short ferry ride away from Centraal Station (ferry was free and ran 24/7). He was very kind and friendly when we first met him, and took time to show us the apartment and all the amenities he offers. The whole place was extremely clean, and the room was perfect for us (2 people). He was very easy to talk to, and made us feel very welcome. I would definitely recommend his apartment to anyone visiting Amsterdam.