Look for product categories with no dominant brand and look to dominate

The U.S. mattress industry was a $14B market with no brand commanding more than 10% share. Consumers dreaded the buying experience — haggling with salespeople in fluorescent-lit showrooms, comparing incomprehensible product lines, and never knowing if they'd overpaid. Casper launched in 2014 with a single mattress model, a 100-night trial, and bed-in-a-box shipping that eliminated the showroom entirely. The brand generated $1M in revenue in its first 28 days and $100M within two years. But the cautionary element is equally instructive: Casper's success attracted over 175 DTC mattress competitors, CAC inflated dramatically, and the company went public in February 2020 at a $575M valuation — roughly half its peak private valuation of $1.1B. It was later taken private by Durational Capital in 2021 for approximately $286M. Casper proved the framework works for market entry but struggled with the defend phase.

The global eyewear market was paradoxically both consolidated and unbranded. Luxottica controlled an estimated 80% of major eyewear brands and retail channels, but consumers didn't know or care about Luxottica — they just knew glasses were expensive and buying them was tedious. Warby Parker launched in 2010 with $95 frames, a home try-on program, and a brand identity that positioned glasses as a fashion accessory rather than a medical device. The "buy a pair, give a pair" social mission added an identity layer that made customers feel good about their purchase. By 2023, Warby Parker had over 200 retail locations and reported approximately $670M in annual revenue. Unlike Casper, Warby Parker built a retail footprint that reduced dependence on digital CAC and created a physical moat that pure-DTC competitors couldn't easily replicate.

The U.S. razor market was technically dominated by Gillette (estimated 70% share in 2011), but Gillette's dominance was built on retail distribution and trade promotion, not genuine brand loyalty. Consumers resented paying $4–6 per cartridge for a product they viewed as a commodity. Dollar Shave Club launched in March 2012 with a viral video that cost $4,500 to produce and generated 12,000 orders in 48 hours. The subscription model eliminated the retail middleman, and the irreverent brand voice created an emotional connection that Gillette's corporate marketing couldn't match. By 2015, DSC had captured an estimated 8% of the U.S. men's razor market. Unilever acquired the company in July 2016 for a reported $1B in cash — a validation that brand dominance in a fragmented (or poorly branded) category can be worth a billion-dollar premium even with modest revenue.

The nutritional supplements market exceeds $50B in the U.S. alone, yet most subcategories — greens powders, multivitamins, protein blends — have no brand that commands meaningful consumer loyalty. AG1 (formerly Athletic Greens) launched in 2010 and spent years refining its product and positioning before hitting inflection around 2020 through aggressive podcast sponsorship and influencer partnerships. The brand became synonymous with "daily greens supplement" in a way no competitor has matched. AG1 reportedly crossed $500M in annual revenue by 2023, with estimated margins that dwarf typical supplement companies because the brand premium allows pricing at $79/month for a product category where generic alternatives cost $20–30. The key insight: AG1 didn't just brand a supplement — it branded a daily ritual, which dramatically increased retention and LTV.

The luggage market was bifurcated: luxury brands like Rimowa and Tumi at $500+ price points, and generic brands at $50–100 that consumers couldn't distinguish. The $200–400 range — where most frequent travelers actually wanted to buy — had no brand with emotional resonance. Away launched in 2015 with a $225 carry-on that featured a built-in phone charger, a minimalist design aesthetic, and a brand identity built around travel culture rather than luggage specifications. The company reportedly reached $150M in revenue by 2019 and raised over $180M in venture capital. Away's success demonstrated that the "no dominant brand" framework works especially well in categories where the product is publicly visible — luggage, eyewear, water bottles — because the brand becomes a social signal that drives organic acquisition.