With Laundromats the the machines are your money maker (I know duh, but hang with me). 

If you're still interested, take a trip to the site once ground has been broken.The flashy marketing material for a new development is great, but don't put your money at risk for something that's likely to vaporize.

If you've got to ask a question on an online forum about managing an out of state or out of country renovation, you aren't ready to do this on your own.

Harder to qualify for cheap/free money as you collect more homes. 

The city wants to tear the property and surrounding properties down Zillow said it’s worth 38000The city offer me 13000.I could use some adviceHard to give advice with limited information, but as a general rule, the longer you wait and the further down the line their project is the more valuable your property will be to them.Zillow (and all automatic online) estimates are very unreliable, so don't base on that.

Explore my personal favorites, Set For Life by Scott Trench or The Total Money Makeover by Dave Ramsey, for invaluable financial insights.3.

But you have the option to just pay the monthly payment up to maturity in case something goes wrong or if you decide you can use that money better to just build another property instead of paying it off. 

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.

If there’s specific projects like electrical we get a project specific estimate after we put it under contract prior to the earnest money going hard.

You will need money to put down on the property.