{"type": "article", "title": "Why ROAS 300% Can Still Mean Losses — Gross Margin in 5 Ecommerce Verticals", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/why-roas-300-can-still-mean-losses-gross-margin-in-5-ecommerce-verticals", "original_source": "https://dev.to/toshihiro_shishido/why-roas-300-can-still-mean-losses-gross-margin-in-5-ecommerce-verticals-2ghm", "published": "2026-05-23T03:55:12+00:00", "accessed": "2026-07-08", "id": "why-roas-300-can-still-mean-losses-gross-margin-in-5-ecommerce-verticals"}