"(I charge) RMB2 (approximately RM1.20) for drinks with high sugar levels, and an extra RMB3 (approximately RM1.80) if the drink is more than 550ml," the woman told Apple Daily.



Meanwhile, another 'drinker' said that she charges extra - RMB0.50 (approximately RM0.30) - for every minute spent queuing for the drink if there is a long line.



Other 'drinkers' also revealed that the 'service' they provide helps maintain their boba obsession while training themselves in writing food reviews.