Beijing's old tea shop has Wu Yutai, Zhang Yiyuan and so on, now are chain stores ~ ~ Maliandao there is a tea street, so it is difficult to say how much profit. Beijing like to drink tea old people generally drink flower tea, young people drink tea not much. Beijing's rent is notoriously high, that is, Huilongguan where 10 square meters a month without 2000 to 3000 is not down. The rest you calculate it yourself.