I launched a walking tour company with $3,600 and was able to replace my six-figure full-time income. These 3 tips helped me grow the business.

Paul Whitten created Nashville Adventures, a history and walking tour company in Nashville, on nights and weekends. It's now his full-time job.

MediaNews shows the headline and summary published by the outlet. The full article is on the publisher's website. (www.businessinsider.com)