The 3 things I learned when I had my foundation repaired that shocked me were the difference between helical

https://sergiolmdx987.evergrovio.com/posts/before-you-call-for-foundation-repair-3-key-signs-and-steps-to-know-2

The 3 things I learned when I had my foundation repaired that shocked me were the difference between helical and push piers, when each is used, and why depth beats count.