You did not authorize this sort of parking in the first place, and I suggest you stick to your original "no" by explaining it as an insurance / safety / liability matter and that you cannot allow this sort of parking at that building. 

Just another tool for your tookboxes. 

This definitely encourages me to go network with fire departments and other public safety entities to find great deals.

You or your spouse may even choose to become a real estate agent yourself to gain access to the incredible tools that agents have.

It's really starting to sink in how awesome of a networking tool BP is.

Is this the end all be all site for larger multi-family/apartment complexes or is there a better site/tool to find properties?

Ultimately, that will be your safety net when the rainy day events occur.

Are there any apps or tools anyone knows of that could help?

Safety and comfort is big on everyone's list.  

This strategy utilizes your FHA eligibility as a tool.