While some prefer to work for a private company to earn money, some people prefer to establish their own company to earn more. Although establishing a business means costly capital to start up, but in the end, higher profits will be obtained especially if the business is managed carefully. Basically, there are many sources of income to choose from, but individuals opt to engage in buy and sell venture. If you are one of those aspiring entrepreneurs, then it is best to acquire products in bulk and sell them to the market to gain higher profits.