Permissible way of having R.O. plant installed

Question: buy water in tankers, filter the water and then sell it in gallons and bottles. Is this business permissible for us?..

What Is The Ruling On Taking Commission For Bringing Items For Acquaintances?

Answer: buy something for them you are not entitled to charge extra money beyond the cost of the item. So, charging them extra money as a commission secretly ..

Commission Refund after Cancelation of a Deal

Question: buyer has found another flat more suitable for him and wants to cancel this deal, and the seller also agrees since he has another party willing to buy..