Tipping on Airport Transfers

[Ohio_Buckeye_1]

I always use Clive's service - red plates, nice vehicles with good AC, safe friendly drivers.
Since traveling single I just do the Regular Transfer to have company on the ride - even with the fairly recent increase to $US30 each way, still excellent deal.
Only way I know that is cheaper is JUTA - but usually a longer wait and more hotel stops before mine since usually on west end.
His is also just $50 for 2 people and just $20/person if 3 or more - again Regular Transfer prices to/from Negril, I never have need to do Private.
20% is $US6 - so I usually tip $500JA plus buy the driver a drink/snack at the rest break going to Negril.