Need a online store with variable prices. That means that there is a retail area where prices are public and a distributors area where prices are lower because they buy volume. However, there is levels of distributors so every level can be asigned a different discount.
Finally, a single product can have an special discount for a special distributor.
Store engine can be oscommerce, x-cart, your script or any shopping cart flavor.
Also, custom design is need.
Ìmportant. Small project budget category is from $250 to $750, but our budget is closer to $300.