Bigger Pockets is an excellent resource and I expect you'll see much value in this community. 

Like in your case, outsourcing property management is an excellent step.

You have to be careful to pick a trustworthy company with a track record, and hopefully excellent property management in place.

BP is an excellent source.We've been lucky and found one of the best investor oriented agents in all of AZ. 

If the ARV number is REAL, this one looks like an excellent candidate for "delayed financing", which would allow you to pull out ALL your cash again, and buy another similar deal for FREE!

I have read Brandon Turner's book investing in real estate with no and low money down and found it to be an excellent resource. 

The tax roll should be downloaded able into excel.

If you have Class A space, e.g. excellent common areas, amenities, parking, and location, then you have more leverage to raise the rates via gradually, and I emphasize gradually converting them to a rentable basis.  

I also would suggest finding an excellent property manager, that fits your personality.

It's easy to do in a program like ARGUS developer or similar software but can be set up in excel as well you just need to put in the ground work.