Just be aware
What are the Transaction Fees on Donations?
When a donation is made through CrowdRise, a Transaction Fee is deducted from it so we don't go out of business. CrowdRise’s Transaction Fees start as low as 3%. So on a $100 donation, $97 goes to the Charity less the credit card fees charged by the payment processor. The payment processors charge 2.9% + $0.30. We think you'll find that's really good pricing. We try to keep our pricing as low as possible so your donation can have the greatest possible impact.
sort of negates the mileage bonus
Giving directly to the charity, will get more to those effected.