One sure way of business profitability is building legal structure business. If you have a legal way to make money in any country, then you must do it.
Building legal structure business actually uses your skill set. Always put in mind that in attaining your business profitability goal you should use what you already know. This is contrary to what others say that you do what you love and then money will come after. Often times, people, who do what they love gets nothing.