The joining cost of Gongcha milk tea shop is about 1,-15, yuan, and the detailed analysis of the cost is as follows:

Store rent (starting at 1㎡): The store rent is about 6, yuan, and the initial lease needs to be paid for one and three, which actually needs 24, yuan.

decoration fee: the selected stores will be decorated according to their size, and the decoration fee will be 5 yuan/㎡, which will cost 15, yuan.

production equipment: cash register equipment, production machines, etc., which needs 15, yuan.

purchase fee: it costs about 3, yuan to purchase all kinds of fruits and materials.

working capital: we need to prepare some working capital during the operation, which will cost about 4, yuan.

Others include staff salaries, utilities, etc. These expenses are less than 14, yuan.

that's the estimated cost.