Waste is becoming ever more of a vice, especially among younger consumers, and now regulators. And that seems likely to create new opportunities for certain types of online merchants.

While online liquidation is nothing new, of course, it’s gaining force and taking new forms, as the YouTube videos demonstrate. The idea is the oldest in retail: Buy low – very low, in fact – and sell high, usually via eBay and other online marketplaces. And investors have taken notice. Last year, for instance, B2B marketplace operator B-Stock, as reported in a PYMNTS interview with its CEO Howard Rosenberg, raised $65 million from Spectrum Equity.

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