diapers.com: Marc Lore. The ecommerce visionary who lost to Amazon but still made billions (2021)

What It Covers

Marc Lore built diapers.com from 2005 to 2010, reaching $300M revenue by buying diapers at full wholesale price and selling them at a loss, then sold to Amazon for $550M under competitive pressure, before launching jet.com — acquired by Walmart for $3.3B in 2016 — using smart real-time pricing technology to challenge Amazon at scale.

Key Questions Answered

• •Loss-leader strategy: Diapers carry near-zero margins because retailers race prices to the bottom to drive store traffic. Lore replicated this online deliberately, accepting losses on diapers to acquire loyal customers, then monetized through high-margin adjacent products like clothing, toys, and cosmetics. The key metric was customer retention and repeat purchase rate — not unit economics on any single product category.
• •Box optimization as profit lever: Lore hired a PhD physicist to build a system matching orders to one of 20-plus box sizes, maximizing fill rate. When a box shipping diapers had 60% empty space, adding a one-pound item cost roughly 10 cents in incremental shipping. This marginal-cost logic meant bundled orders became profitable even when individual products were not — making average order value the core business driver.
• •Forcing distribution through leverage: When Procter & Gamble and Kimberly-Clark refused to sell direct, Lore began clearing entire wholesale club inventory. When clubs complained, he offered to stop — on condition they contacted their P&G and Kimberly-Clark reps to authorize direct sales. Within weeks, both manufacturers called. Manufactured pressure on intermediaries can unlock supplier relationships that direct outreach cannot.
• •Skin-in-the-game fundraising signal: For his first startup, Lore invested his entire $390,000 in savings — not a round number, because that was literally everything he had. Angel investors cited this as the deciding factor. Investing a psychologically uncomfortable, non-symbolic amount signals genuine conviction and de-risks the deal for outside capital. The amount matters less than the visible personal sacrifice it represents.
• •VCP framework for scaling: Lore describes his jet.com build using a three-part sequence: Vision, Capital, People. He raised $750M total, projected $3B in losses before profitability, and communicated this timeline explicitly to investors upfront. Jet reached $1B annualized revenue within 10 months of launch. Transparent loss forecasting, rather than optimistic projections, built investor trust and prevented mid-course funding crises.
• •Missionary vs. mercenary transition: Lore frames his career shift as moving from purely financial motivation — he had a cubicle sign targeting six figures by 26, seven by 37, eight by 48 — to mission-driven leadership. He credits this shift with enabling better culture-building at Quincy and Jet, including transparent salary bands and equal pay at equivalent levels to eliminate unconscious bias. Values alignment, he argues, ultimately created more financial value than mercenary focus did.