Purpose.
Emotional gratification.
Reassurance and relief. ("I AM a good person!")
To your best customers (donors), those things will be worth a lot more than wowie-zowie shoes or a comfortable night's sleep or a branded tote bag or a cup made overseas which has to elbow space from all those other charity cups made overseas. Although an easily repositionable sticker would be nice {~?~} I'd probably mount that
YES! That's RIGHT!SEE what I'm driving.... on my acceptably ") car's rear window, even if just to make others jealous.¶You're in the "pleasing me" business. You're in the "empowerment" business. You're in the "we're going to change this world for the better and it will take all kinds" business. You're not a slave, though, to weak-ass, 3rd-grade bullies