Following my coverage on Builders FirstSource (NYSE: BLDR ), which I recommended a hold rating due to my worries about the housing weakness, this post is to provide an update on my thoughts on the business andI take a fundamentals-based approach to value investing.I disagree with the common misconception held by many investors that low multiple stocks must be cheap. I look for companies that offer the best long-term durability at the most affordable prices. Consequently, I have a propensity to be drawn to c ...