But, even if you don't do your own maintenance, you can deal with most things over the phone, and schedule things in a way that is fairly simple, by means of telephone calls and texts, etc.

Cheaper, faster, and just as effective, if not more so, than the old-fashioned certified mail, which was the only way to get proof of delivery before there were scanners or the Internet, and they can't avoid delivery by refusing to sign.If you have access to their telephone numbers and/or email, you can also send notification that way.  

In suburban to rural areas you might get away with it more but will have less traffic.What I see them do is tag them high up on the telephone poles with a reacher pole.

I have had luck using a portable cellular-based alarm system such as Simplisafe.

It's usually handled with telephone calls. 

If discovery motions are required, you are out at least another $2,500-$3,000 or more if your county does not do telephonic hearings. 

It's way harder to hide a paper letter than it is to "forget" or "miss" someone's email.So, I'd write something short and sweet, like this:Dear Idiots:As I discussed over the telephone with Ms.

Maybe you could advertise in a way that allows people to contact you when they want to, rather than impose yourself via their mail and telephone. 

Other than that, I have used a cellular hunter cam on a more rural property when it was being rehabbed.

Go visit (when the Covid is over) some competitors for sale within about a 3 mile radius and see what they do.Snap some cellular pics of the things you like.Talk to some local Realtors (who sell a lot of SFH's like yours) and ask them whats popular.