I am considering keeping a call log, listing all repair requests coming in, with date and poss time, then report how it was handled and when with a tenant signature on that as completed acceptably.

Timber was federal could not buy it could not log it... just scammers... but better I wasted 10k then sunk in a huge investment.Same with a big timber play I was working on in Columbia.. 

Sends Voice Message LinkNegatives: No Caller ID, No Call Back Link, Have to be Logged in to make calls from GV #.

I'd recommend logging onto Airdna and utilizing their free comp'ing software and analyzing prospective markets (Arizona, Texas, Tennessee, Florida) against the house prices and their respective debt service.From there you can assess expected return against places you actually like to visit. 

I have 38 acres of wooded land under contract and I'm thinking about having it logged.

Make sure you have a smart tv for each room so they can log in to their shows and watch without taking up a living room. 

I read a tip somewhere to keep a repair log for each unit.  

If owner has an umbrella policy does it state it covers him/her from negligence- no never does it say this.Keep a log of your inspections of your subject.

Log legal advice...I thought a cooling period of 6-12 months would work, according to some attorneys, but after more leg work, I conclude there is none.

If your initial glance at the numbers meets your rule of thumb first, then you should be able to log onto here and check your goal numbers with one of the calculators very quickly.