If we talk about quality, then there is no difference between the purchase of one kilogram, say, lime, in the store and tons at the wholesale base, there is no. At least there should not be. But in price — there is a difference and sometimes very tangible. Wholesale is cheaper. Therefore, those who start a large construction always buy wholesale. There are similar places of trade on the Internet, say — ., A fairly interesting and understandable resource on which you can buy building materials wholesale.