Foundation agreement is fashioned yet fixable—contact experts for those who understand unique sloping or unevenness in flooring.
https://www.scribd.com/document/994048754/How-To-Spot-Subtle-Signs-Of-Sinking-Or-Tilting-Walls-Early-On-218602
Foundation payment is in style however fixable—contact authorities if you happen to observe strange sloping or unevenness in flooring.