Once you build that nest egg and you experience any market disruptions, you'll be ready to pounce. 

Forgive my saltiness, but its interesting that you don't even consider the effect this kind of disruptive spam marketing has on the end users, you say it "sucks" but only because YOU get called! 

Once the she eliminated the disruptive inmates (she inherited), managing it via social media & Venmo became the norm, (she also travels a lot with her real JOB).

Similar to certain segments of retail, not all office space is created equal and can therefore be vulnerable to digital disruption.  

The way that technology is disrupting the real estate industry, I believe that agents will either have to get better or get out...and that is a good thing for everyone!

Renovate to the standards of they type of tenant you want in your units.As for the furnace, it seems to me like you have an opportunity to replace it now: everything is being torn up anyway, you already have a budget for larger expenses.In my mind, why tear up and pay for a big, disruptive project later when you have the space, time and budget now.Just my opinion though.

Pertaining to asbestos, the advice I get over and over again is that you do not remove it rather than just cover it up with other flooring or siding so it is not to disrupt the particles.

USA-NJ, Developer going to build around me and disrupt business, How do I prevent this?

Meaning they could be much more (or much less) adverse to market disruption. 

The conditions and concerns are different now...GDP is expected to be in recession territory for Q1 and Q2 2020 due to supply chain disruption, decline in exports, travel restrictions, and reduced consumer spending all from the virus.