Also, looking to do some rehab - so if you have any contractors, engineers/architects or handyman, I will highly appreciate sending their info.

Understanding how to uncover the potential opportunities by solving the seller/owners problem then engineering them to profit takes time & skill. 

people outside silicon valley just do not know that the silicon valley has been very dependent to India and China these day that even if the entire silicon valley has only 10 people, company can still operate because they have thousand engineer in India and China.This is very different environment than compare even 2015 where US is still having bargaining position.Lot of American tech product has been swapped by similar Chinese product , especially in Latam and Asia.The threat in CA is also rising because cost of business is rising a lot, so for company that can't strategically move to India they have to move operation and other thing to Texas or Midwest.

You could run the idea by a structure engineer and GC to get their opinion on what it would take.

That includes the architects, structural and MEP engineers fees as well as the city permit.

Our team then analyzes all of them (yes humans who have helped me personally flip hundreds of homes in these markets, not just some algorithm), and only sends out the ones that pass our initial underwriting to your clients.

We have taken care of engineers and permits.Assume that there is reasonable access from the rear of the property - and these are all attached row homes.If anyone has recommendations for a good subcontractor we are all ears.  

I believe that man invented the bicycle so he didn't have to walk and that man invented the internal combustion engine so he didn't have to pedal.

I plan to retire from FSU as a mechanical engineer/machinist in about 6 years and want to research a potential  entrepreneurship in short term vacation rental properties.

I've done the civil engineering on several subdivisions varying from 14-acre sites to 80-acres.