Shopify app

Wholesale app for use on Shopify. Wholesale member signup/ profile. To include general contact and billing details. Profile allows for multiple recorded shipping addresses that are saved. Also track total order of units they have done. Profile displays wholesale products (not general retail products). People can select multiple quantities with discounts applied at various volumes purchased. Shows and displays shipping for that volume. Ability to create one order to multiple locations. Example. Customer has profile with 5 locations. Customer wants 20 products total. Is able to allocate 3 units to location 1, 6 units to location 2, 5 units to location 3, 3 units to location 4, 3 to location 5 for a total of 20 units. Calculates shipping for each location entered. Submit triggers all locations orders. This can be structured in a different way but elements need to be profile, display wholesale product, and allow to easily, quickly, efficiently, place an order for all their locations. Would like it to remember the order for ease of reorder. I would need to approve these profiles and have access to them to assist if customer has an issue. An example would be something similar to Wholester but does not leave the Shopify store site (unlike Wholester) and is more clear with order creation (do not like their orders are labeled things like "D9" and you have to go to a seperate page to set up shipping locations. I want people to log on, order, and that's it. Would also look at setting up an auto order feature. So in future when a customer knows exactly how many units they need each month they can set it and forget it. Auto orders what they need every month BUT allows them to log in and change the quantity of this automated order whenever they need to. App would be available on Shopify app store.