The check out at the grocery store has a screen with buttons asking for contributions of 1 -100 dollars in $20 increments to some charity and McDonalds and Dairy Queen have options to round up your purchase “for charity”
Here is the scam on these charity “donations” - the store usually gets a commission , some time as much as 30%, for the fund raising on the money they generate. .
And it can be really hard to find the “NO!”button.