Most of the entrepreneurs I know avoid this problem by not hiring employees - they use contract labor sourced from Upwork, which handles the paperwork of dealing with different countries & currencies. There are some challenges around communication, management, finding good people, etc, but once you find someone you can get a very loyal worker for a low price. A Cambodian programmer making $15/hour can live like a king - that's 12x the median income for their country, or the equivalent of an American making about $720K/year, so they have a strong incentive to work hard and not fuck it up.