Been running a fundraiser to open an animal shelter and ended up with donations split across a few different crypto wallets since some sponsors just sent whatever they had on hand. One sponsor...
Bobadillo
Exchange withdrawals eat time too, you'll sit through their processing window before the funds even move, and that's stacked right on top of whatever fee they take. That kind of delay works against you when the point is getting money into the shelter's hands fast. You can bridge ETH straight from Base to Polygon here: https://defiway.com/bridges/bridge-eth-base-polygon . Connect your wallet, type in the amount you're sending, glance at the fee, and confirm once it looks right to you.