Many are the type that don't appear dangerous: recycling collectors and the like. 

I find it's a distinction that gets lost on a lot of folks from out of state looking in.

> i'll try and find it.EDIT: i think it's this one https://www.biggerpockets.com/renewsblog/2015/11/19/bp-podcast-149-early-retirement-real-estate-bubbles-and-dangerous-scams-with-radio-tv-star-clark-howard/

Debt is no more dangerous than a hammer or saw or gun.

Its probably not that you don't want kids, but rather that you don't want the disturbance and damages these kids are causing, as well as it being potentially dangerous as an over-occupied space.

Clearly new energy efficient windows of the same size would be an upgrade and no more dangerous than the existing windows.  

Like few folks said here a pissed tenant is very dangerous.

Also to cover any estate taxes or debt restructuring if they arise.Where the major danger comes in, is if your in the middle of a development and your the main developer.

That is pure nonsense and an extremely dangerous view to have as an investor.I think there is a prudent way to use this strategy and maybe there hasn't been enough discussion on that.  

@Patrick OwensAnd, not to be too negative, remember Memphis is ranked as the #4 most dangerous city in America (Minniapolis is #20).