DEFINITELY GO SOMEWHERE ELSE!
The only correct information regarding this site was the street name and that the place was indeed in Rotterdam. We had agreed on meeting at the site at 5 pm. At first I found out, that house number 151 as mentioned in the ad did not exist, neither did house numer 138 as mentioned in the mail confirmation. My attempt to call the landlord ended on his answering machine. He did react to my following e-mail on Air Bnb and told me, the correct house number was 78. There I did meet his roommate who embarrassedly showed me my room for the next three nights. Obviously the landlord left the site in such a hurry that he forgot to make the bed (fresh bed sheets?, glasses and a hair ribbon on the bed, single socks all over next to the bed) and also to collect the (dirty?) clothes displayed all over the room. To top this embarrasment the roommate then had to inform me that in his hurry the landlord had forgotten to leave his keys for me, so that the roommate and me had to make arrangements all the time as to when I could use my room again. The roommate offered the landlord to have a spare set of keys made for me and the following other rentors, but he declined the offer. 131 Euro for 3 nights unter these conditions? What an impudence!