“But that know-how doesn’t come cheap. Interior designers charge upwards of $200 per hour—knick-knacks not included”

http://www.smartmoney.com/spending/for-the-home/how-to-score-a-deal-on-professional-interior-design-help/

PROFESSIONALINTERIORDESIGNER is glad that he is not prone to violence. However spontaneous combustion does run in his family.