my 2 cents are, stay on the base HKG was where the money was, but that was before the government changed the rules on buying, The HKG package is only better when you use the housing to pay of a mortgage, now you would be looking at 20+% in taxes to purchase.
Either wait till these measures are removed or come for an expat life style, but currently you cant come to make more money, btw if you have kids then stay in Europe, schooling is really expensive that's if you can get your kids into a school