In addition to this, I've had 2 clients this past year tell me they used Airdna in '22 and '23 to see projected and estimated income and was drastically different than actual income made with very comparable properties. 

The unobstructed water views for both front STR units can be challenging to determine additional value compared to other 3-unit properties without views.

As a side note the "Median" rents for the whole country are on a HUD website and is updated every year to the new rent levels, so you can see how your rents compare to the HUD Median rents. 

We recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

This creates a market for both short-term and long-term rental properties.Affordable housing, Compared to cities like New York, Washington D.C., or Boston, Philadelphia offers relatively affordable rent, or section 8 tenants, especially those who are relocating from more expensive areas. 

If you do something that is too high end or bold compared to what is available in the neighborhood, the exit could be very difficult 

However, prices for a comparable 5-bedroom home in Washington are significantly higher, likely around $1.5M or more, which would mean taking on a new 30-year mortgage with 6+% interest rate and limiting new investment opportunities.2.

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

The program is neither good nor bad, there's just different pros & cons compared to cash paying tenants.Have offered to schedule a call with you numerous times to try and assist you, but you seem to prefer posting & posting & posting - which will take so much longer:(What are the chances you'll actually invest someday, given how long it's taking you to do basic research?

Leverage magnifies return. 3) The effort involved in adding an ADU is comparable or larger than a rehab associated with a BRRRR.