Three things to read and use when you consider starting your own business.
Resources:
$100 Startup – https://www.amazon.com/100-Startup-Fire-Your-Better-ebook/dp/B007WTR2W6/
4-Hour Work Week – https://www.amazon.com/4-Hour-Work-Week-Escape-Anywhere-ebook/dp/B006X0M2TS/
Business Model Canvas – https://en.wikipedia.org/wiki/Business_Model_Canvas