If the tenant is combative with the owner's realtor, you can bet that this same tenant isn't great to deal with for the owner either.

The best ways to combat this I think would be, a.) joint venture with my parents (they already own 2 rentals) b.) get a large multi (5-8 units), or c.) possibly get a mortgage in my parent's name and pay them extra interest.Which would you guys recommended or avoid and why?

Even though many cities have war zones there are often diamonds in the rough that borderline the combat zones.Example: In 2004, I purchased a 14-unit apartment building across the street from a war zone.

I got into real estate at age 40 with a degree in Psychology and 21 years of military experience in a combat field.

In order to combat this in our communities, we need to focus on new ways we can be social – like welcoming new neighbors and reconnecting with existing ones.

GDP was expected to ebb in the final three months of 2020 after a record 33%-plus annualized gain in the third quarter, tied to the reopening of our economy in the summer after business lockdowns (to combat the pandemic) in the spring.

Even with the risk of negative cashflow, as long as it's not astronomical there are ways to combat that in any market. 

To combat their high tax bills every year, what if they bought a 5-6 cap, class B or C rental that doesn't even cash flow that much?

Many states re-imposed business restrictions to combat the pandemic and restaurants and hotels had to lay off workers (some for the second or third time).

One of the major reasons we initially chose to advertise with Google is its near search monopoly (Google #1, Youtube #2) and it's platform's ability to focus advertising dollars on common seller demographics in specific areas.As of October 2020, we are now told we can no longer target our customer bases by zip code, age, and other demographics because of a politically motivated policy meant to combat social injustice.