How is it possible for a U.S. citizen to move to a 3rd world country and be able to stay there legally?

and afford it? places like Russia or India
Update: I have been to Russia several times as well as to India, and was even thinking about staying in Russia to teach English, BUT it isn't that easy is it? you have to deal with a lot of red tape as well as the people who you would work for , English teaching schools etc. are often difficult to deal with and they... show more I have been to Russia several times as well as to India, and was even thinking about staying in Russia to teach English, BUT it isn't that easy is it? you have to deal with a lot of red tape as well as the people who you would work for , English teaching schools etc. are often difficult to deal with and they don't pay you really hardly anything do they? HOW MUCH MONEY TO BUY A HOME OR SOME PLOT OF LAND OVER THERE TOO? MUCH CHEAPER THAN THE USA OR NOT?
Update 2: if have like $ 50,000 would be able to buy a plot of land and a house and legally be able to stay there ? teach English to just pay for utilities, clothes etc and maybe even grow your own food
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