For residential multifamily properties (1 - 4 units), can you use a home warranty to take care of the repair costs associated with rentals?

Do you have any equity in you existing home (if you own it) so you can leverage a HELOC to use as an emergency fund?

Yes they are buying old homes to tear down to build there now.

Please see the rough numbers below :Tear down house price 350k,Construction cost 165 sqft * 2 build=627k too much for the land unless your exit is 3 million. don't reinvent the wheel. no single family home builder is paying 300k for land. that's miami florida prices where I live. we buy land 50k and under in Columbus Ohio. keep land at less than 10% of after built value.

Hello! I found a $600k SFH in Seattle on a corner lot with enough room to build a DADU (will sell for $600k). There are two issues (opportunities?) though; (1) there are tenants in the house on a two year lease (payme...

Correct, a foreigner can get a home loan with a bank institution in the same way a national would.

If you live in the home for 2 out of the past 5 years and move out of state you may be exempt from the tax.  

How old is roof, mechanicals, FFE? 

Mostly from a home equity line of credit.

I would focus on homes with dysfunctional floor plans.