PayPal Digital Gifts is offering 10% off on Uber gift cards in $25, $50, and $100 denominations. Additionally, PayPal Digital Gifts has been known to code at 5X on Chase Ink cards (though YMMV).
Direct Link to Promotion
If you often use Uber, this can be a great way to save a few bucks. There is a limit of one per purchase, but you can likely purchase several. I’m not aware of a maximum, but purchases will eventually begin erroring out.
H/T: Doctor of Credit