The 3 things I learned when I had my foundation repaired that shocked me: clay heave can lift slabs, not just sink them

https://rowanktvu473.swiftnestly.com/posts/3-things-to-know-before-you-choose-foundation-repairs-near-me-for-your-home-2

The 3 things I learned when I had my foundation repaired that shocked me: clay heave can lift slabs, not just sink them, and root moisture removal can trigger upward movement.