I didn't buy a thing, but they were handing out some neat freebies and samples.
Origin of freebie
American Heritage Dictionary of the English Language, 5th Edition
Freebie Sentence Examples
"You get one freebie," he warned her.
Fred's freebie hookup was the only show in town, in the mind of the rich old cheapskate.
I mean, it was the quintessential traveling salesman's dream, a naked and willing woman hopping into his bed, wife in another town, a freebie, so to speak.
With all the money you save by using freebies, consider donating to the cause providing the freebie, adding something extra to the collection plate, or passing on the freebie to someone else who can use it when you've finished.