Plant Material vets its hard-good suppliers based on their online pricing strategy. If a brand allows its products to be sold at wholesale prices directly to consumers online, the company won't carry them, proactively protecting its ability to compete and maintain retail margins.

The "dirty secret" of retail is that many businesses lose money for 46 weeks a year and rely entirely on the high-margin period from Thanksgiving to New Year's to "print money." This intense seasonality makes the holiday quarter an existential period for the entire sector.

Sephora combats intense competition by applying a "game of inches" philosophy to its physical retail space. Every section, from teen-focused fragrance displays to strategically placed checkout-line minis, is optimized to sell. This meticulous space utilization creates a highly profitable, frictionless customer experience without any "wasted" space.

High-margin software businesses operate on 'easy mode,' which can mask inefficiencies. To build a truly durable company, founders should study discount retailers like Costco or Aldi. These businesses thrive on razor-thin margins by mastering cost reduction, operational simplicity, and value delivery—lessons directly applicable to building efficient software companies.

The true cost of returns is a 25% hit to top-line revenue, comprising 17% in refunds and 8% in related operational expenses. This financial drain is staggering when compared to the average 12% operating margin for top public e-commerce brands, highlighting returns management as a critical area for profitability.

Entrepreneurs often assume the product generating the most revenue is the most valuable. However, when factoring in the time and energy required for delivery (return on time), that "bestseller" might actually be the least profitable per hour, making it a poor candidate for scaling.

For his second book, author Ramli John drove 77% of sales directly, bypassing Amazon. While Amazon offers volume, direct sales provide higher margins and, more importantly, invaluable customer data (like emails) that enables direct communication, feedback loops, and long-term community building.

Escape the trap of chasing top-line revenue. Instead, make contribution margin (revenue minus COGS, ad spend, and discounts) your primary success metric. This provides a truer picture of business health and aligns the entire organization around profitable, sustainable growth rather than vanity metrics.

Coterie treats its physical retail presence not just as a sales channel, but as a marketing tool. A well-placed product block acts like a billboard, driving discovery and funneling 10-12% of new customers back to their primary D2C subscription business.