Well the site is still up and so it seems you are still running it and so I give you some comments about your site. First think I notice is that bright blue and pink hurt the eyes, maybe dulling down the colors a bit will help that, also you need to fix your tabs as the white is somewhat hard to see in there. Maybe asking people who do use your service to write up some testimonials for you to help give you word of mouth.
However, I think the most important thing is give the website a new look that helps make it more active and user friendly with a good combination colors that will be soothing for your visitors. I also think another thing you could add to your sites front page is show two or three rooms to rent to help make people more interested and if you haven't already allow for the ability to post a pic of the location of the room for rent as well.
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