What's wrong with the house I live in being lower than the surrounding ones?

Low-lying areas will store water, and the home is humid. After a long time, there will be mildew spots on the wall, cracks on the floor, and rheumatism will aggravate the condition. But it depends. How low is the terrain? If it's just a little lower, there won't be any big problem. Usually such a house will be cheaper.