The 3 things I learned when I had my foundation repaired that shocked me were: slab edges are fragile

https://canvas.instructure.com/eportfolios/4298998/home/3-things-smart-homeowners-do-before-calling-a-foundation-repair-company

The 3 things I learned when I had my foundation repaired that shocked me were: slab edges are fragile, heavy equipment chips corners, and protection boards are worth requesting.