When Growing from 5 to 30 Sites, One Host Outage Cost Us Our Reputation: Jamie's Story
https://www.bookmarking-keys.win/who-to-call-first-when-a-website-is-hacked-practical-choices-and-real-world-trade-offs
Jamie ran a digital agency that started with five client sites on a single shared hosting account. It felt fine for years - pages loaded, emails arrived, and bills were small