I think if you understand the price per unit as well as the price per square foot in the zip code and nearby zip codes that will give you a good idea of the comparable market analysis approach and appraiser might use.

Be sure to review property tax statements and verify any zoning or code compliance documentation.

Or does anybody know any national lenders that specialize in these?  

What ghetto city/zip code in AR did you find 2% rule? 

As a PM Co owner and broker specializing in STR Acquisitions I use AirDNA - but only the premium version. 

Example: I define what zip codes (or neighborhoods) that I buy in.

Tenant Stability: If tenants are renewing, lenders may offer better terms, so clarify lease renewal terms.Credit Profile & Cash Flow Goals: These will help in finding lenders who specialize in retail with flexible refinancing options.

We live in a very intersting, diverse, and complicated market and understanding the intricacies is very important - especially for a new investor.Markets in the same zip code even have their own submarket and tendancies depending on location and its important to look at things hyperlocally in philly.

Special business tax preferences, such as a special deduction for energy-efficient commercial building properties, should be eliminated.Regarding the OP's question, I see no specific Project 2025 policy that will impact investment real estate. 

Does anyone have advice on how to approach this or know of a good broker specializing in vacant residential land?