He just may have run across somebody he cannot stand up to and doesn't want to pee his pants in court so he drops he drops the case, not realizing that just because he avoided a cross complaint doesn't mean these immune from a new suit.

According to the Fair Housing Act and the Americans with Disabilities Act:Even if a landlord has a no pet policy in place, the law does not consider service animals as pets and therefore the service animal is exempt from such a restriction.Service animals are allowed anywhere a person would go, including food areas that would normally restrict an animal’s presence.Landlords cannot charge a pet deposit or pet fee for service animals, however the tenant is liable for any damage that the service animal may cause.Landlords can require written verification from the tenant’s health care provider that they are disabled but cannot ask for any specifics about the disability.Landlords can require written verification from the tenant’s health care provider that the service animal is needed.Landlords can request copies of the animal’s health records to prove the animal is in good health, parasite-free and immunized/vaccinated.Landlords can write warnings or even evict a tenant with a service animal if the animal is disturbing others, posing a threat to others or causing considerable damage to the property.In other words, you can ask for appropriate paperwork concerning the tenant’s need for the service animal and to verify the animal’s health. 

First: humans are very bad at judging risk and people on this site are not immune from that. 

Historically, we are very well insulated from national market forces, although not immune.

Some might have a strong NNN tenant in place with 10+ years left on the lease, and it might be a big corporation that you can take to court if they ghost on paying their rent, while others might be office suites broken up into small offices on 6-36 month leases with shaky tenants like a nutrition supplement MLM that uses the office for 3x a week rah rah meetings on how to recruit more people into the pyramid scheme, that are immune to law suits b/c you can't squeeze juice out of a rock.

Autophagy kicks in and rids the body of the old cells etc. most of your immune system is in your gut so if you heal the gut, you keep your immune system up.

A sociopath is immune, but most people are not.  

There are no investments that are immune to risk in general.I like to invest in growing markets that also have traditional tourism draws, but that is my preference. 

And it looks like the institutional quality and low debt features of most DSTs aren’t immune to good ole market forces.

Especially if it's a lien immune to foreclosure, that can cost you.