I do not use locking doorknobs on entry doors, years ago a locksmith told me that they were the number one cause of kicked in doors.

As long as they can make rent each month.  

Figure out what works for you in your market then use it a a first crude screening tool not a decision maker.

My coffee maker? 

First its something with the bank, then his new job didn't pay him yet and now its only his first week he was paid for so he still can't make rent.

I have stayed and multiple AirBnb's with wood firepits and even indoor stoves. 

A highly active 90 lb dog that runs around indoors all day long could cause some damage, but an 8 lb lap dog that sleeps all day might not cause any damage. ...this is why it's important to meet the pet in-person before making a decision...What type of property, and what things in the property could be damaged?

@William Costello  I plan to attend the Deal Maker Live event by Michael Blank in Dallas on July 15-17. 

Michael Blank's Deal Maker Live and Brad Sumrok's Aimnatcon both appear to cover the same topics.

BP make Real Estate Investing look like buying Stocks and it isn't.