They claim to furnish properties for 2-3 times the usual monthly rent with the help of their "designer team" , but the actual costs are 5-7 times higher.

As a point of clarification, DSCR loans don't require a higher down payment than conventional, they just have different underwriting criteria and less concern on your personal financial situation.

If there are any anomalies that occur which require more expensive repairs then that ratio can and will be higher, especially in your first year or 2 of owning a property as you work to get things stabilized. 

A lot of seller financing comes with higher price or is a poor asset.  

The electric bill is also high, it is a little higher allocation than the propane.  

Ok, so I separated this one out (and I just found it) for those with a higher end rental.

This will have a higher expense buy may very well be worth it for your listings and companies health and growth. 

The areas you are looking in are a step below the most expensive so I have no doubt they are higher, but you are also looking at a small sample size when you only look at homes available for sale now.

But section 8 is the way to go, higher rents + more security.

Obviously you are making an effort to understand this, and maybe you can find out what you need to, but the risks are higher for sure out of country.