Rui was very nice and thoughtful throuout all the time of my staying. He called to check if everything is fine and if there is anything I need so he can prepare for me. I personally highly recommend Rui as a perfect landlord. The flat is bit small for 5 adults (perfect for family with two kids) but sweet and very well located in the historical town centre. I can easily get to everywhere including tour sites, restaurants, supermarket and metro station etc. by walking. I enjoyed my trip in Porto very much. Thanks to Rui and the beautiful city. :)