Do your Sub Contractors have the ability to verbally communicate, with English Language Only Speakers?

I ask for a small investor (up to $ 100000)Sorry about my English.. 

I have a Masters degree in English Composition and Rhetoric, and I am a veteran that has went overseas twice.

Do your Sub Contractors have the ability to verbally communicate, with English Language Only Speakers?

Think elderly people or people with limited English skills etc.........To avoid being bothered 24/7 you'll want to set office hours for yourself.

(And if you know them personally, you don't have to ask if they're a scam.)Very poor English, free email accounts instead of a company email account, not wanting to talk to you on the phone, using Western Union to transfer money are all GIANT red flags.Western Union is a legitimate company, but no legitimate lender uses them.

As for my personal background, after graduating college I spent several years working as an English teacher in China.

I would switch your thinking from looking for that elusive unicorn duplex in a nice neighborhood which you will have to pay a premium for because it's a rare multi-family property in DC, to looking for a house with an english basement, like I think you are suggesting by buying a home in Brookland. 

They are not written in English even though they do use English words.90% of the content is exceptions and special rules instead of explaining the basic principles. 

I taught school in 5th and 7th grade (English) for about 10 years.