FHA and VA backed loans absolutely do have certain physical requirements called MINIMUM PROPERTY STANDARDS. 

He either pays rent at the end of the month or the month after its due.He refuses to pay by any normal method and will only pay if someone physically collects it from him.

So, if I need permits, I have a GC that will pull them for me and charge me for his time and effort (he needs to physically get the permits, call in the inspections, etc).2.

Sometimes he physically hands me the cash money.

There are horror stories all over amazon from people who has their Nest brick due to forced firmware updates (yep, once you install it there's no way to not have it automatically update, so think about how often your iOS updates leave things working strangely for a few months), which can leave you with your heat/AC running full blast until someone physically goes to the property to shut off the breaker.

The kids burned down the house so mom and dad are liable for the damages.I think the burden of proof would be too high for the tenant to recover from the landlord's lacquer issue.If there was a witness who saw the landlord in the garage prior to the incident or if there was physical evidence of some furniture or fence that he was applying lacquer to, then you have a situation where it's pretty clear he was there and he was engaged in an act that could reasonably believed to have started the fire.

Is it worth it (psychologically and physically) to hang on to this loser property?

Be ready with vehicles and bins and a cleanout crew - when the sheriff arrives for physical eviction, they are only there to keep the peace, and usually for only an hour.

You will need to get referrals and/or research up on PM companies, realtors, areas and then physically go visit the areas you are considering to get a feel for the team you plan to work it.

You then take on new liability on the contents and any physical issues inside the unit.2.