These 2 apartments back in the past was stated as 1 house and in the mid of the house where the stairs appear to be today , it was the house's hall, as the years passed the old owners decided to break down the hall's wall and make it practical to be 2 split apartments but they didn't change the contracts to appear as it is now and also the architect didn't change the files of the house as well.

I've generally waited until current tenant moves out before advertising and move quickly to make any necessary repairs and painting so that I don't lose out on an entire months rent. It's worked out so far since I've ...

Prioritizing profit over being a good neighbor is a bad business practice.

Any advice for foreign investors in Korea or anything that I have to beware of (contracts or practice or law)?

Areas of practice will include criminal law, real estate, wills and probate, powers of attorney, landlord-tenant, immigration, child custody and support, divorce, business, debt collection and more.

Wondering if there is a "best practice" for offering shared wifi to tenants when renting by the room.Seems like it would be important to offer this along with cable, utilities, laundry, etc... but wondering if this is something that should be charged back to tenants or just built into the rent. 

I do have a great knowledge on how it all works but have not yet implemented any practices.

However, from a practical standpoint, I don't know what they gain by going after you as long as they are paid for the work that they have already done.  

But that being said, there's no substitute for experience - it's just good practice to walk through as many buildings as you can until you can identify common (and less common) problems in your sleep.

@Travis Hewlett thanks for the advice, this property evaluation is more for practice so I don't want to spend any money on it.