You need to know the mechanical workings of a computer, their interfaces and connections. If there are parts that need replacement, you must know where to get the components. You can develop your technical knowledge through reading books, taking courses on computer repair, videos and hands-on experience. Succeeding in this business, however, entails more than technical know-how. You need to have the personality and ability to provide a high level of service, as this is a customer-service oriented business.
Computer repair is one of the most lucrative home businesses available.
You can also charge for either travel time or a flat fee for a service call. Overhead costs for this business is moderate at about 25 percent or less. Start Your Own Computer Repair Business by Linda Rohrbough, Michael Hordeski Upgrading and Repairing PCs Quick Reference by Scott Muelle Troubleshooting and Repairing Computer Printers by Stephen Bigelow Troubleshooting and Repairing Computer Monitors by Stephen Bigelow 5. If you love typing and the medical lingo, the medical transcription business is for you. A medical transcriptionist transcribes the medical records dictated by a healthcare professional, including letters, histories, physicals, progress reports, and chart notes.