About the only thin not deductible is the cost of your own personal labor, but all tools, transportation, interest and depreciation are all deductible expenses.If the mortgage interest was totally eliminated for personal residences if would have a negative effect, but consider it would not affect flippers, landlords, investors, people without mortgages (about 1/3 of home owners) and have little effect on people with small mortgages, and no effect on anybody that takes the standard deduction and doesn't itemize (another 1/3); the impact could be less than anticipated but still negative.In Bigger Pockets Podcast #82,  I talked about how capital gains taxes should be indexed for inflation. 

And lastly, since W2 employees can't deduct any mileage expenses associated with going to or from their places of employment, I calculate how much the federal government is saving themselves in tax rebates by making what I consider the BS legal tax claim that no W2 employment transportation expenses going to and from work, none, zero, nada, may be deducted from one's income as one's personal expenses related to making a living.Down against rush-hour traffic I go, mentally adding up the hundreds of thousands of bucks the gas company is making off the traffic, the millions the government is saving off it to add to their own budgets, the hundreds of millions the finance companies are raking in.

This will also help you see transportation relative to going to college and having a job.You want the numbers to tell you.There are far too many aspects to making an investment. 

When selecting the property, I would keep the following in mind for "rentability" (which would also be quality of life for you): in unit laundry, proximity to metro/public transportation, on premise parking or nearby affordable monthly lots, central heat and air, closet/storage space, outdoor space (private or shared).

Then from 7 to 18 y.o adolescent will be in school.Metro is the most important transport in Moscow.

I don’t see public transportation not charging fees for service.

Most ADU's have to fit on the back of a lot and its tough to transport or place on property.

You could not stack them unless they were a plain box or actual shipping conainers, so i dont think it would be worth it.7 x 40 is 280sf(shipping container) $15k for 280 sf is $53 per square, PLUS the transport and setup cost to a site.

Call the county transportation department and ask about the connection.

Transportation, pipelines, tankers, trucks, etc., are in the middle.Leases give you the right to explore for oil and to produce the oil if its found.