The projects that frankly just suck and are costly but occasionally do happen include a main sewer project (say it collapses), and a roof. 

If the market tanks you can renegotiate or walk away.After the collapse when the market is flooded with cheap inventory is a fantastic time to do subject to and seller financing, rent them out, and wait for prices to rise again.

Maybe if he had reached the door and collapsed on his front yard someone would have seen him.Just a messed-up situation in a dozen different ways.

A 20% correction would be nearly twice as bad as the housing collapse from a decade ago.

He'll scope the sewer lines and see if they're clear/collapsed/whatever.Check with your neighbors.

The house flooded during Harvey here in Houston but only due to the drainage pipe in the street collapsing causing the water to back up and to flood the home.

This mortgages on this property were being sold like crazy before the banks collapsed.

If the deal collapses and I would lose everything, I'm out.

Since the beginning of the 20th century we have had 1 depression, and 2 housing collapses, and those housing collapses were 75 years apart. 

The shear volume of people doing it and failing is what ultimately caused the collapse in my local market.