Retirement can be a great time to launch a business. Whether you grow your business slowly or quickly, you can plan meticulously, experiment without pressure, and grow at your own pace. It's possible to start small and smartlyDon't be fooled by outdated images of sprawling offices and massive investments. For example, with online platforms, remote work tools and a global market at your fingertips, you can start a successful business from home. Also, many retirees start with part-time businesses.