August 09, 2016 Want to make more money in your medspa? Work on your personality. August 09, 2016/ Medical Spa MD 85% of your financial success is due to your personality and ability to communicate, negotiate, and lead. Shockingly, only 15% is due to your technical knowledge - Carnegie Instistute of Technology The above seems about right. The money gets made in the consultation room, not the treatment room.