📌Then we filter by submarket:- Low Crime?

For example The investors from CA that I work with like the Reno, NV area because of the close proximity to CA, tech investments, low property taxes, and landlord friendly.

and you can find an almost unlimited variation on risk ( from low to high leverage, both floating and fixed rate debt, from no to high skin in the game, etc).

Thats another tactic;  low ball bidding, then cost increases mid-project.A 3/1 or 3/2 rehab keeping the 3/2 exterior walls but moving interior walls;   Maybe $110k

A-Class neighborhoods are high-end, desirable, with low vacancy rates.

On top of that are the low homeownership costs.

Of course, this is just my opinion but I bet I'm not alone..If I'm an investor, I think the returns you're able to achieve in Costa Rica are higher than normal because you focus on these large properties and, as @Martin D. mentioned, prices in that country are too high and returns too low.

**Understand Section 8** - **Housing Choice Voucher Program**: Section 8, or the Housing Choice Voucher Program, helps low-income families afford housing by subsidizing rent.

I can't tell you how many times I went with the LOW GUY and it cost me more, or how many times I tried to do the CHEAP FIX, and it didn't work. 

Typically Section 8 assistance will track along the market rent for low income communities in the area (slightly higher or lower depending on the location).