Due to improvements to surrounding properties and lack of supply in the local market I'm expecting 875+ per unit (Neighboring sister units just leased for 850)Lessons learned?

I also now own 4 rental properties and want to make sure I'm taking advantage of all the tax benefits possible, as I've had significant travel and expenses related to improving a fixer-upper. 

This will give you a delta between purchase price and sale price or refi after improvement costs. 

The area is definitely improving, but Zillow shows lots of rentals still on the market.In fact most other areas that I’ve looked at in this same price range seem to have the same problem - lots of vacant rentals...

A modified BRRRR, to me the word rehab has always meant a great deal of fixing and improving.

Learn how to conduct and track split tests, write compelling copy, how to use headlines and CTA's on your creative that will improve conversions.Another big point is: Never spend a dollar you can't track the results of.Our conversions started going up very fast once we understood that being in real estate means you need to also be an expert at reaching people i.e. marketing/branding... this made the biggest difference in our business. 

LTV / Amortization: Sub-notes written under the Master line of credit will be limited to the lesser of 80% of an as-improved appraised value or 90% of the proposed cost of acquisition and improvements (“cost of acquisition and improvements” will exclude: projected interest expense, referral fees, and/or projected profit).

I'm not sure what problem they think it solves to tax people for taking a risk to improve a property.

I still have to battle the city who think the Sanitation and Park & Rec fees do not apply but the transportation corridor and transportation impact and improvement fees do apply.  

Even if your proficient, its great to review other techniques to see where you can improve.