You need to pay with cash to get tax off.
There is a 14% surcharge for card payment at the restaurant.
The restaurant sometimes offers free scallion pancakes.
I have been using it now for 3 months and it saves me so much research. Reduces the need to call and double check every time.
How did I not know these places existed?! Atly's scoring is a lifesaver, now I can finally find THE spot without wasting time Googling my life away.