The 3 things I learned when I had my foundation repaired that shocked me were: skimping on drainage grading invites
https://www.scribd.com/document/1037300275/3-Things-to-Know-Before-You-Choose-Foundation-Repairs-Near-Me-for-Your-Home-152721
The 3 things I learned when I had my foundation repaired that shocked me were: skimping on drainage grading invites repeat settlement, and clay caps help shed water.