As Naushad ikka pointed out, China is far superior in technology and development when compared to Hong Kong. We can notice the difference in your vlogs, even the people are behaving differently, Chinese people are more social, friendly and hospitable.
Price is not the end point when you travel, its good to know but never ever sellout every time. As every location in the World has its PPP ( Purchase Pay Parity) according to the salary one draw or business one does . As a vlogger your idea is to travel as you choose it but before that you had budgeted for the same. Hence stop vlogging on cost. If you compare what you eat or drink ur water is expensive while beer is cheaper