Foreign workers are a great benefit to the economy. However, past a certain point, foreign (non-resident) ownership of real estate doesn't provide much benefit

Foreign workers are a great benefit to the economy. However, past a certain point, foreign (non-resident) ownership of real estate doesn't provide much benefit to the local economy and can easily push prices up to the point where housing is unaffordable for locals, due to the influx of foreign speculators. Chinese ownership in the Bay Area and Russian ownership in London are two current examples.