How do you actually decide when a Meta campaign is profitable?

Multiple sources are reporting: How do you actually decide when a Meta campaign is profitable?.

• How do you actually decide when a Meta campaign is profitable?
  r/ecommerce
• when is the right time for a D2C brand to go offline?
  r/ecommerce

• Quick question — would anyone here be open to looking at a rough approach to handling WooCommerce ops a bit differently? worth-knowing
• Shopify AI chatbot - I added one to my store instead of hiring a third support rep. Full setup and what actually happened. background
• Wave of Fraudulent orders - HELP worth-knowing
• focusing on profit gave us a daily profit visibility we actually use background
• woocommerce chatbot sync misconfiguration background