I've had three times now when roofers (probably the most dangerous of all jobs involved in a rehab) have handed me perfectly good looking proof of insurance forms and they didn't have insurance!

Most experienced investors know enough tax to “be dangerous”.

But if you hide anything from the lender, you're headed down a dangerous road.

Google mortgage fraud if you want to know about the dangers of lying in order to obtain a loan. 

The danger then is that after you take the property back at auction or you bought it at auction, the borrower then exercises his right redemption and takes the property back from you.

Knowledge can be dangerous in the hands of tenants.

Mostly junk no one wanted...small lots, land locked lots, nuisance homes, homes that present eminent danger, etc. 

Laziness aside...there's a danger to doing too much 'preparing.'

If you go just a couple blocks towards the James River you got some really nice homes but if you go downtown a little bit you've got some seriously dangerous neighborhoods.It's a very desirable place to live because of the elementary school, river, and some other factors.

Backpaddeling now is dangerous, because it imlies that you are a pushover and the move out date can be changed, just by changing your mind.