I am very glad to share my knowledge and research. Dealing with wholesale suppliers as a sole trader is a complex proposition, and it is necessary to do thorough research regarding finding wholesale suppliers and profitable products on different websites before starting any such business. The most important aspect of this business is to know exactly how to deal with these wholesale suppliers. Lets check some points of dealing with wholesale suppliers. Sourcing A Wholesale Supplier Testing The Supplier Bargaining For A Good Deal Smelling A Rat Avoiding Brokers Avoiding Drop-shippers Checking The Manufacturer's Factory Buying a Sample Product It is important for the sole trader to buy a sample of the item that he or she wants to buy in bulk.