Why agencies and freelance developers managing 10-150 WordPress sites struggle to find reliable hosting without constant firefighting

https://charlie-wiki.win/index.php/Is_Bluehost_Starter_(10_Websites)_Enough_for_a_Small_Agency%3F

If you run an agency or are a solo developer responsible for a portfolio of 10 to 150 WordPress sites, hosting stops being just a checkbox and becomes an operational problem