8 Core Business Concepts You Need To Know by Geoff Gonzalez | Sep 8, 2020 | My Motivation | 0 comments Self-made entrepreneur, Marcus Whitney, talks about his eight core business concepts in 10mins. Spread the love! Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.