The must-read summary of David Lindahl and Jonathan Rozek's book: "The Six-Figure Second Income: How to Start and Grow a Successful Online Business without Quitting Your Day Job".This complete summary of the ideas from David Lindahl and Jonathan Rozek's book "The Six-Figure Second Income" shows how you can make a substantial income today by devoting your spare time to creating an online business. In their book, the authors explain how building and creating this business will require you to undertake different activities within three specific time frames: pre-launch, operate and optimise. This summary explains each of these stages and how you can complete them successfully in order to get your business noticed and start making a profit.Added-value of this summary:• Save time• Understand key concepts• Expand your knowledgeTo learn more, read "The Six-Figure Second Income" and find out how you can use your spare time to make a substantial income online.