We were absolutely unwilling to pay more than we could afford.  

- Sellers who already have their property listed are most likely unwilling to sell at a price much lower than this list price.

So you might be well-served to have a business accountant review their books, and if they are unwilling to reveal, go elsewhere. 

If the agent is unable to prove or unwilling to prove their answer to Question # 4, then find another agent!

Her home needs a large rehab and she was unwilling to lower her asking price to the number I needed to make the deal work.

This to me is another example of our we-want-it-now culture and entrepreneurs being unwilling to put forth the effort to grow a business steadily the old fashioned way.  

(I try to make it clear to the agent that in also soliciting their client I'm not trying to put them on hook to spend marketing money unwillingly, since I'd be giving them a free sample.)Office visits - I've driven around to local real estate offices, dropping off flyers for the agents in the office offering the free sample.

Require photos be taken before/after repairs, and regular visits by the PM to the property with reports (if they are unwilling to do this then this tells you something).4.

If you can't afford to (or are unwilling to) fix the issues that impact the health and safety of the tenants then you shouldn't have bought the property.  

Banks have been unwilling extend credit on speculative investments such as flips.