• Wayfair average net profit margin for 2013-06-30 was 0%, a 0% decline from 2013-09-30.
• Wayfair average net profit margin for 2013-09-30 was 0%, a 0% decline from 2013-12-31.
• Wayfair average net profit margin for 2013-12-31 was 0%, a 0% decline from 2014-03-31.

Net profit margin can be defined as net Income as a portion of total sales revenue.