Agree it is difficult to assess costs when they vary so much by location.Keep in mind that some turnovers are sickenly expensive, and that is just the nature of the business. 

Here's the problem: They are not a sustainable asset for most to own; they are difficult and costly assets to exit through a sale; if you achieve favorable refinances, you may be able to use those funds to buy other (hopefully better assets) but are now faced with operating highly leveraged bad assets. 

After high school, I pursued a career in the military, where I proudly served for seven years.

Congrats on your success so far.Some random thoughts for you:- It might be difficult to tap the equity in the rental at this time given the current state of interest rates. 

Selling PT is very difficult and as a young student it will be difficult to find much success.

@Shin Nishikawa Right now it is still difficult for foreigners to get financing from Japanese banks.

Finding a good account and bookkeeper wasn't difficult and using online registered agents was way more cost effective.

Traditional office spaces are difficult to find tenants for.

It's difficult to see how a tenant will be after screened and signing a lease.

Learn what people are doing right now in this difficult market and find a way to replicate their success.A lot of people say they are actively investing.