Of course folding, sealing, and adding postage would be quite labor-intensive, but I think I might also have access to a folding machine, and in any case those are the sorts of tasks I don't mind doing while watching TV or something.I've done some research and think I have a decent understanding of how to get bulk mail rates with folded self-mailers, and how to save even more on fees by adding a barcode (probably by using the free USPS IMsb tool?)

I’d be unnerved about losing 500$ a month If your going to Subsidize their rents they can Atleast pull their weight around the place instead of just sitting around watching jeopardy in their craft- matic adjustable beds  .

I’ve read several books, spent hours watching podcasts, and turned my long drives into a mobile real estate investing university.

Currently I am combing the BP forums, (which is why I see so many of your posts) watching YouTube videos, doing some reading, etc. in order to build a business plan and to have an A-Z understanding of how it all works.

Watch out for the rabbit holes!

There is a pretty good chance they are not the kind of tenants you want to keep in a fully renovated rental. it's not a guaranteed problem, but certainly a red flag you should watch out for future problems.

Update, I watched Joe Crump's going over his push button auto marketure marketing plateform live review last night.  1st;  Joe Crump is one of the nicest, knowledgable teachers I have met.  

Thank you, but I have Watched the BRRRR Podcast and bought the book.

Turn off all the water in the house and watch the meter closely to see if it’s doing anything 

They should be easy to see.https://www.youtube.com/watch?