I suspect that it is "predatory" if it puts you out of business. It becomes illegal if you can convince a legislature to intervene (witness what happened in Fra

I suspect that it is "predatory" if it puts you out of business. It becomes illegal if you can convince a legislature to intervene (witness what happened in France, to Amazon[1]). Consumers don't tend to complain about lower prices. 1: http://www.france24.com/en/20140109-french-senators-pass-anti-amazon-law-protect-small-retailers/ http://www.france24.com/en/20140109-french-senators-pass-ant...