You could use something like trail cams.

Also I see what looks like a macerator on the sewage line with an electrical connection (to the right of the window).That might be in indication of sewage issues in the line to the street.You might want to have a sewer cam done (by a reputable company).Maybe try to find out the age of the macerator, and any history if issues, and if it truly is a home use macerator vs one for an RV.A home inspection might also be a good move.Also the old cast iron sewer pipe looks to be wrapped with some kind of insulation, you might want to see if you can get any info on pipes freezing in the winter for that building (or if the pipe is cracked and someone tried to bind it back together).Good Luck!

You will get a revolving line of credit with the lowest rate of the three.

You and the neighbors should consider setting up trail cams or some type of security to catch this guy in action.Mini splits are nice and should be cheaper.

@Marcel Couch Classes for commercial properties are different than residential 1-4 family properties.Also, you'll find the concept of classes for 1-4 family vary greatly as there's no standard and everyone has different opinions.Our LOGICAL opinion is that it all revolves around the tenant pool for a property.Here's our definitions of Class A-D, with the understanding that we are playing statistics and probabilities (there are always exceptions):Class A: 680+ FICO, white-collar to high-blue collar, very stable career/income, usually some savings, takes very good care of rental propertyClass B: 600-680 FICO, low white-collar to mid blue-collar, stable employment/income, often some savings, takes good care of rental propertyClass C: 550-600 FICO, mid blue-collar to no-collar, decent stable employment/income, lives paycheck-to-paycheck, 50/50 on taking decent care of rental property or being hard on it.Class D: <550 FICO, no-collar, unstable employment/income, often only SSI and/or Secion 8, often doesn't deal with banks, usually hard on a rental property.The tenant class will eventually affect the property, which eventually affects the neighborhood class, which affects the contractor & PMC class willing to work there.An abundance of housing will typically lead to a lowering of the overall class in that area.A shortage of housing will lead to gentrification and improvement of overall class in that area.

My regrets revolve around being too soft on breachers of rules and slow/no payers.

[As I learned in Vietnam during the War:  Xin cam on!]

Looks like you're already a Property Manager, so you have that covered, with a little hourly help.It was 100%  all doctors and dentist still not sure what I cam going to do.

I'm thinking of a career change and going to get the CAM license, which has to be held by a broker.

Defaults and revolving credit maxed out?