New dish washer. 

Aside from that maybe some are dish washers and what not.

I think I can suggest is if you have any Korean friends who have been living in the country for a while, you ask your Korean friends to talk to your tenants and explain how landlord-tenant relationship works in US.

It seems that Duncan Taylor is dishing out some more tax advice here without the proper license.His statement that one must renounce his/her US citizenship to gain income without paying deferal tax is simply wrong.A qualified and licensed tax advisor will tell you that there are many ways to accomplish what you want.

Someone has to cook the food, wash the dishes and operate the retail stores?

If they had grease on the driveway you can charge to have that cleanedJunk removed from premisesBack rentUtilities owedBroken WindowsDish on the roof when the lease states no disk on the roof  (Dish generates holes in the roof which is a costly repair)Broken cupboardsCan't charge for cleaning the place after they leaveThe wash machine was dead due to the flood. 

The big part of a dishwasher is that dirty dishes make their way in their instead of sitting in the sink = less bug and rodent problems.

It is a small petri dish which allows the bacteria to grow and based on the sample, you should be able to tell if you have the bad (black) mold. 

I would also get the largest fridge that fits the opening and avoid bottom of the line dishwashers, because they are loud and don't get dishes clean.

Any box will hold a dish but Kitchens are the ultimate lipstick on the pig.