Originally Posted by
davie355
"I would add a tip" does not mean tipping is customary.
Tipping is uncustomary in China; the rare exceptions do not apply to your situation here.
Tipping UBER and LYFT "ride sharing employees" is not customary in US, but if you are aware of their avg pay its lower than the 15/hr minimum wage enacted in LA. At least give them a cash tip for gas.^