Get an iced tea, and get $1 refills if you bring the same cup from the "tap" (second refill is free!). Great for beating those hot Tucson summer days :)
Here's updated tip... If you are interested in ASL (American Sign Language), come join TucsonASL Meetup held here every second and fourth Monday 6pm till 9pm(or later).
I was rudely addressed and treated badly. And it was probably bevause I didn't smile or take of my sunglasses. I have facial paralysis and light sensitivity. And that's a reason to mistreat customers.