But they were selling an expensive house in California and had horrible credit.

While I own a house in Canada, which has been my only investment so far, I am eager to diversify my portfolio and begin investing in real estate in the USA.

They'll want all the money spent on the main house, lenders kind of ignore ADUs it's weird. 

We are not familiar with any of these markets, nor do we have anyone trustworthy there, or a real estate agent.Our approach would be both rental and house flipping.

I currently have a house I am renovating that should be worth around 210k-240k and rent for $1,800 - $2,000 in May.

Seems to be decent on Airbnb with the guest house/ADU units with all the hospitals nearby.

There is also an ad on small "house" which is also being rented.

One thing I continue to think about is how valuable 2-4 unit properties are becoming, and will continue to be, since Fannie/Freddie took the income restrictions from the 5% down conventional loan option for house hackers. 

Also, before you buy another property you'll want to determine your ideal next property - meaning, will it be a "rent ready" house, a major renovation project, or somewhere in between.

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