It sure seems like if this was a tv show those two had a secret relationship.

I am staying wondering why there is so little information on tax liens,  i read some books on notes and foreclosures but looks like a big secret here... maybe that's the reason... i need to go into this to find out :)

Focusing on what you can control, like consistent effort, really sets the foundation for success.

But by building a successful short term rental business on someone else’s property aren’t you giving away the increase in value of the property resulting from your efforts to the property owner?  

Everyone does that a little when starting out but statically speaking spreading effort into multiple markets is not the best use of your time.

Quote from @Zach Howard: Quote from @Jonathan Greene: If you are looking at properties in the US only on Zillow, and not seeing them in person (I know you are in Hong Kong), this is just an effort in futility because you can't underwrite single-family or small multifamily deals only online.

Our combined efforts made the property appealing to buyers, leading to a successful sale at $99,000.

We are all about saving money on flips and renovation efforts.  

Two doors doesn't provide any sort of scale to make the cash flow more predictable. i would think hard if this is really worth your time, money, and effort...please explain the quote about two doors? 

Take the effort to solicit contractor recommendations from multiple people.