Cracks on the wall may be a sign of foundation problems. One side may be sloping downward causing immense pressure on the walls. This can result in hairline cracks that may grow wider in time. The floor may also have similar issues. When you see these signs, call for home structural inspections right away. Have your suspicions confirmed by experts so that you can have things repaired if you need to.
It’s always easier, faster, and cheaper to have these things fixed early. If you wait until they get worse, then you may need to spend hundreds of thousands of dollars to resolve the problem. Do not delay. Whatever the findings may be, you will be able to act decisively instead of wondering what the situation really is. The safety of your family depends on the structural integrity of your house. Make it a priority.