They are designed to make it nearly impossible to figure out who owns the trust.  

I think the top factors are type of home (comparing single family to apartment is no longer done), overall size, and interior features like central AC, approximate age of renovation, etc.

No one mentioned this as a factor, but I assume this would severely limit/prevent me from deducting anything other than depreciation?

It’s designed specifically for real estate, with features like rent tracking, expense management, and tenant payments, making it more tailored for property owners.However, if you’re used to QuickBooks or need more robust general business accounting (e.g., payroll, invoicing for non-rental income), you might want to keep both.Ultimately, it depends on your specific needs:For property-specific accounting, Buildium is likely enough.For broader business finances, consider running both or consulting a CPA to see if Buildium covers all your requirements.

I'm curious, if you were to invest elsewhere, what areas would you consider and what factors would drive your decision?

Outside of real estate, I'm an entrepreneur and 3D Landscape Design or Outdoor Living Luxury Expert. 

Various factors come into play with marketing, and what works for one business may not work for another.

Most fail to factor this in.I believe the fact no meaningful tax advantages exist saved you from going down a rabbit hole that would have been adverse to your business more generally.

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

Here’s how to get itFor an unbiased legal opinion, consultant with an attorney whose fee isn’t contingent on outcome, or loading billable hoursFor an unbiased financial opinion, consultant with a FEE ONLY financial or FEE ONLY investment advisorFor an unbiased real estate opinion, consultant with a fee based consultant, preferably one who has obtained the CRE (counselors of real estate ) designation.