If you have these hot deals find a hot money partner and get at it.. this is one of the biggest failures I see in those starting out.. they don't want to share can't put the deal together and just miss out totally half of something is better than 100% of nothing and or taking forever to get going.

As a few others have said, cuts to the top or bottom chords of joists and girders are really detrimental to their strength, if you have notches at failure points, its significant. 

Even if you have a worse case scenario of HVAC failure and they do cover an HVAC, your tenant is without AC for weeks, you are on the phone with warranty company and contractor for hours (mostly on hold regurgitating the same story over and over again)your still out the $600 annual payment (probably several years wort), your paying the $500-600 for the “uncovered” Freon, and the headache of it all.

They said they could not take renters' abuse and were inherently more prone to failure.

Failure is not an event.

Had a structural engineer come out, and he says the house is verging on structural failure - needs 3x as many piers as the original quote, including the entire interior of the house.

You must give new tenants the booklet and fill out and get signatures from both landlord and tenant on the form.Yes, your FIL is at risk for failure to comply with this law.http://portal.hud.gov/hudportal/HUD?

Maryland step 1 is filing the failure to pay rent form at the court house.

This question allows me to benefit from their passion.How has failure shaped your life?

Failure to keep the temperature 'comfortable' and failure to provide heat to a livable standard are not the same.