The other half send an initial message or make that first phone call but after establishing that they'll send over paperwork for my review, they disappear or take days. 

it disappears, or you're not approved, or they can't close it because their "investors" aren't funding right now or 100 other excuses.   

Same thing with pictures provided I'm not doing any damage to the home a few little nails to hang out some family photos is not something that should cause threats.

Hi Guys,I have properties in Colwyn Darby. I have been working on rental applications where the county issued some fixes last year. Unfortunately one of the issues was a major issue like fixing the kitchen hardwood fl...

So I contacted the Advisor and couldn’t get a response and attempted to go through customer support and the whole website was down and they stole my money and disappeared.

And even without that, the threat of one can be similarly effective. 

I can't imagine your plumbing bills over trying to find the source of this mysterious odor with disappears when plumbers show up.My question would be how difficult would it be to find a replacement tenant if you were to release him from his lease?

This is to avoid things disappearing during construction, getting damaged and arriving just in time to be installed by contractors if need be.

The biggest threat to the country in general, IMO, is this relatively new trend of tribalism that has taken over American politics and has Americans cheering for failure when the other team is in control.

Your landlord sounds like a flake, a self-managing hobby landlord who hasn't realized he shouldn't be self-managing if he can't shut his stupid hole when the chips are down and not make empty threats.