Your investment property - This you could do a 1031 exchange on and buy another property you intend to use for investment. 

Investment Info:Single-family residence buy & hold investment.

And your net worth will thank you.If you still want to go ahead, you'd be better off buying a house than an apartment because, while the value of the building itself will go to 0, you'll still have the value of the land, bearing in mind that the land might actually lose value too given the depopulation and the yen depreciation.Sorry if I'm pooping a party but make sure you understand what you're getting into (which you're already doing by asking the forum) and then make the decision that's right for you according to your objectives.

I’d recommend waiting till you have a cushion of some sort depending on your comfort level before you take the plunge and buy the second deal.

This is a the perfect vehicle to use for short term like buying a  property with cash, then refinancing the property to pay the line of credit back in full, and use it again.   

You magically get the seller to cover every single closing cost (A $12k gift, or a trick to get you to buy their problem.).

This acronym stands for Buy, Rehab, Rent, Refinance, and Repeat.

Buy properties with more and more units.- Can also try to do seller financing, but much harder to find.

The early portion of my career was buying turnkey rentals, like the one you described. 

PS - Since 2003, Dean & DeWitt Property Management has helped investors buy, sell, and manage investment properties in the St.