The 3 things I learned when I had my foundation repaired that shocked me: some contractors upsell piers
https://www.tumblr.com/poorlydarkpendulum/815888421824380928/residential-foundation-repair-101-3-essentials
The 3 things I learned when I had my foundation repaired that shocked me: some contractors upsell piers, independent engineers keep them honest, and measured lift data is gold.