When you arrive ignore everyone outside of customs, just walk outside where your ride will be.
In Cancun everyone is trying to sell you packages or timeshares. "I will give you a free XYZ for coming to our presentation". Just say no, these presentations take longer than they say and you will get a hard sell.
We love that area, you just have to know to say NO.
I know you are at AI, but unless there is premium booze, you might grab a bottle of your favorite at Duty free outside of Immigration.