Wouldn’t it be cheaper to buy a small camper and rent a parking space?
http://www.google.com/imgres?imgurl=http://www.use.com/images/s_2/German_tour_bus_those_are_sleepers_on_the_back_37f9d46de64b850986cb_1.jpg&imgrefurl=http://www.use.com/37f9d46de64b850986cb&h=449&w=676&sz=267&tbnid=RSXaCpIfYe5t3M:&tbnh=90&tbnw=136&zoom=1&usg=___b4X6uej_se10tARA3EVevsgaYQ=&docid=vzVIGObIldWFMM&itg=1&sa=X&ei=4WB5Uf-uKeSc2QWqoIDwCg&ved=0CEEQ9QEwAg&dur=500
