Crawl spaces should have moisture barriers and ventilation as well as insulation. Interior Rooms Room sizes are very important. Walls and floors should be in good condition. Wall color should not be as important paint is reasonable carpeting more expensive. Worn carpet will need replacement maybe sooner than your savings may allow.
Moisture spots on ceilings indicate leaks.
If repairs have been made find out what kind and who they were repaired by. Check lighting ceiling also there should be sufficient, working outlets. Check all of the windows. Also remember doors that open or close by themselves need adjustment. Floors that squeak can be simple settling and minor separation due to expansion and contraction, or it could mean additional bracing is needed.