Finding a beautiful, level plot of land is an exciting milestone. However, in the world of Japanese construction, the most critical factor is often invisible: the strength of the soil beneath your feet. Before a new house is built, a soil test is mandatory. If the ground is found to be soft, Soil Improvement (地盤改良)  is required to ensure structural safety. These costs are "hidden" because they aren't included in the land price. Costs vary significantly depending on the specif