Dig down and look for a clay containing soil. You might have to have it called in. You can also stabilize it with as little as 3% Portland cement and asuch as 10%. Then there is
water glass, line, and soil glue polymer products.
I know free sounds nice, but it's not often an ideal world and we have to put some money into it or a lot of work.
Home & LifeStyle Building Training. How to transition from the Rat Race to Freedom!
https://upvir.al/56817/lp56817
Also, Chechout My YouTube Channel
https://www.youtube.com/channel/UC-rd5G_2jWSV-sAi-xpdFZA