However if you understand the process already and what you're trying to achieve and just looking for someone to do it for you, then I would search a bit more to price compare and then make your informed decision.

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

How do I compare that to a comp that has 1840 SF on the main floor and 460 SF of finished basement space (and 1200 SF of unfinished space)?

There are other ways to address than selling.FOMO-  commercial and industrial property is primarily value based on cash flow and not comparables like houses.  

The logic doesn’t hold up...Let’s compare this with another investor who took a different approach.Seven years ago, Investor X purchased a duplex in a stronger market for $300,000.

In Philadelphia the fundamentals are strong: leading industries/employers are in the Education and Medical fields which are known to be stable, proximity to NYC and DC, national airport, port city, affordability compared to mid-atlantic predecessors.

It's really your choice if you want to select a home that has already been leased prior to closing or not. 

We've used Reg D 506(b) for our syndications and ONLY communicate with investors that have a prior relationship with us.There are two illegal activities that I see all the time. 

I’ve never used Norada so I can’t compare the two.

Your primary residence - if you've lived in it for 2 out of the 5 years prior to selling you'll get the $250K/$500K tax free iike @Clint Galliano said.