The We Will has a new program that will automatically round up to the nearest $ purchases on a linked credit card. Besides incredibly easy to set & forget, the flow thru to We Will is 95%....pretty damn good. I have been on it for a few weeks now and think it is a helluva idea.
https://brandtek.com/pages/pitching-change-we-will-collective
https://brandtek.com/pages/pitching-change-we-will-collective