If the dog went there regularly, it could certainly cause mold issues.  

Is it a free for all or is there another governing body / document that would apply?

When you are there to get the application signed or picked up a casual, "Oh since I'm here why not do the regular smoke detector check?"

@Taylor Jennings already has a BP meetup on a somewhat regular basis.

I have a real estate agent (2 actually) that are looking for me and I also check sites like realtor.com and zillow regularly for listings.

My crews and subs take care of things on the houses for me and they bill me at regular rates.

If buy and hold was my strategy I'm sure I'd be a regular and he also covers broader economic info.

You are interviewing these people to live in your property and pay you rent on time.Did they bring all the required documentation you asked for.Can they provide evidence of thier jobWhat is their body language saying, when you are telling them your rules and regulations are the wandering around or are they paying attention to you.When you are showing them around listen to what they are talking about with thier partner or roommate.I have heard someone say that they wanted to paint a room and change the floor.

Erik Reichertz, I could be wrong, but I believe anything 5 units or higher requires a commercial loan, which is a different animal than regular residential loans for 4 units and under.

I'm always willing to pay less than it may be worth, and sell for more than it's worth.Assessed Value: (the following is an educated guess) someone's, in government, best guess at value at some point in time, sometimes arms length, sometimes according to a formula, sometimes actually close to the real value, which is usually multiplied by a tax ratio that will allow the municipality to pay their expenses, pensions and equipment.....please note that both assessed value and tax rate can be changed regularly to effect the desired monies to pay for such expenses.