01Three levers to push fees down
Three of them: raise your VIP level (GT or volume), make rather than take (maker is usually cheaper), and turn on GT deduction (a further discount on the current rate). They stack. Full detail in VIP tiers and fees.
02Use it with the tools
To cost a single trade, use the spot fee calculator (with your account's real rate); to see what GT deduction saves, the GT fee-discount calc. For upgrade thresholds, how much GT for VIP1.