Because efficiency is always king. If I can buy 6 pairs of socks that last 5 years for $20, the only way I'm going to do better is some combination of price and performance that is better than averaging $0.011 per wear. A single $20 pair of wool socks would have to last 5 years being worn 7 days a week to break even. 6 pairs of $20 wool socks would have to last 30 years to match the economics of cotton.
Because efficiency is always king. If I can buy 6 pairs of socks that last 5 years for $20, the only way I'm going to do better is some combination of price and performance that is better than averaging $0.011 per wear. A single $20 pair of wool socks would have to last 5 years being worn 7 days a week to break even. 6 pairs of $20 wool socks would have to last 30 years to match the economics of cotton.
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