If over time you feel better about their transparency you won't have to look through the back up as critically.3) Require some sort of monthly report, if you don't already especially if managing remotely, that includes pictures.

Critical Care Paramedic for one job and a Paramedic for a fire department for the other.

Critical thinking skill to make sense of it all might also be a critical survival skill for the future.

@Dick Stevens looking for advice, not criticism.

Due to the progressive Roth conversion strategy, accurate and well documented reflection of value is critical.  

@Michael AustinAs in any relationship communication is critical and to have like minded goals.  

Using good debt properly and effectively is mission-critical!

at that level its a hobby business like @Joe Splitrock says.. decent CPA that does a lot of real estate work.PM is the most absolute critical aspect of out of area rental investing hands downand when you have time you may want to find a local handyman in the markets your in and have them on speed dial.. and negotiate in your lease that you can do your own handyman work. this will save you a bunch. some PM's may allow it others may not. 

Interacting face to face will help tremendously with forming those critical relationships to aid your progress.

Understanding that will be critical to getting the right type of financing for your deals.