I'm looking for other PPR investors willing to share with their experience with me.

My experiences were a couple of years ago and I was originally told the appraisal had been assigned and the rate would be $780 but then later I was told that appraiser was cancelled and they'd found someone else who it was assigned it for $935.

The data @Devin Conley posted is pretty solid from my experience (I do not know Devin nor how he sourced the data, just going by my own investing experience).  

There are certain things that require experience that DIYers just can't get right or spend way too much time trying to do.

Dramatic experience for both our tenants and us.  

., the new RI rental registry and associated lead paint inspections/certificates).It's up to you whether you're able to do it, but I think you'll get a lot out of the experience if you can try it for a year or two.

Anyone have experience putting these kinds of opportunities in front of investors?

I will be quick to admit I have only had experiences with small rentals (6 units and smaller) so if you are looking for help on larger apartment complexes I would not be a great resource.

Join local Facebook groups in surrounding markets, and you will get more insight into other investors' experiences. 

In my experience it's easier to liquidate single family homes compared to other asset classes, that's why I like them better.