The sagging ridge line is likely due to removal of a horizontal structural cross-tie of some kind, such as a collar tie or ceiling joist with purlins.2) As you walk around the exterior of the house, stop at each corner and look down the length of the wall with your face a few inches from the surface, searching for any areas that are bowing inward or outward.3) Look for exterior wall cracks, especially ones that have opened more than 1/8”, cracks emanating from the corners of windows and doors, cracks that have one side higher than the other, and ones that show signs of having been repaired but have opened again.

But because there are at least four beams instead of just two in the corners attached to footers with a cross beam on top of them spanning the width I would say that this was a DIY fix.

What we should be looking for is similarities in: square footage, amenities, view, age of house, rehab styles (all rehabs are not equal), alley vs no alley, through street vs cul-de-sac, corner lot or no, east facing vs. west facing, and 15 or other criteria that affect value.

But if u cut corners.

The area demographics ( median income level, population 1,3,5 mile radius, daily traffic count on the side of the road your property is on, how close it is to a corner and red light access with sight lines all play factors in tenant demand for the dirt).       

Do not cut any corners to make something look better on paper. 

1) Start your journey with a high-performing agent in your corner.

I would also check out some REIA groups like Traction REIA that meets monthly in Tyson’s corner to meet wholesalers and other investors to find properties.

Experience is crucial for this as cutting corners can be costly later.

He gets an extra 25K : you get your terms… etc : win -win in 10-20 or 30 years the $25k won't matter too much…. but over paying by over $100k is crazy to me… unless the cash flow was insane in your benefit… which is not… Remember that there will always be a better deal around the corner… don't get married to a home.