Description of the issue: I am able to send 1.0 BAT tips without the amount being deducted from my wallet and am therefore able to infinitely support websites.
GIF of Result:
Note: I have checked my wallet page (brave://rewards) and the tips show up there so it actually does send.
Brave Version: 0.66.99 Chromium: 75.0.3770.100 (Official Build) (64-bit)
Reproducible? I have no idea. But I know it does it for me! EDIT: Certainly a yes!