Also I hate to hear your situation regarding your mother, and I wish her the best of health. 

To my knowledge, there are some specific HUD grants, and there may be local small grants available through your county health dept in your area.

Limit two pets per apartment.

She has taken it so far to complain to City of LA Dept of housing and is calling health department now (in short "we want revenge" kind of mentality, but in reality, they don't have the money to pay).

I found a condo in a B+ area that has reasonable HOA fees and rules (they allow tenants/renting and pets) and the numbers work.I would like to hear from others who have invested in condos for buy and hold, and how that has worked out for you, bad or good.Thank you.Shoshana Shulman

Yes the seller should give you a letter of a clean bill of health so to speak, I'm not sure on how NJ does it. 

What are the pros/cons of allowing pets?

My dad was a GC for large construction companies so I grew up around this industry and it is in my blood but due to his health he and I were never able to go in to business like we hoped and him show me the ropes.  

Check for water leaks, tenant damage, modifications on part of tenant, dumb a** tenant safety issues, unwanted guests/pets, smoke/fire alarm, furnace/air conditioning filters. 

A person might have a passion for helping people with their health and decide being a doctor working for a hospital as a W-2 employee is the way to go (the "E" quadrant), maybe because they know someone personally who's a W-2 employee doctor, versus another person who has the same passion for helping people with their health might decide the best way to help the most people is to open up a bunch of hospitals and run them as a business (the "B" quadrant).