Keep your part-time business a secret if you are working for someone else! Locate products to sell and figure out if there is a market for them. Learn about legal structures for your part-time business and government sales tax permits. How to select the most suitable computer hardware and software to help you run your business efficiently. Learn how to create your own Web site and what's involved in opening your own Web store. Look at selling at eBay auctions or opening your own eBay store. Use direct mail marketing to sell your products or services. Learn about other advertising and marketing methods which may be appropriate.