I just did it and it worked instantly!
You must click the link and activate it before you begin completing the 4 tasks!
The 4 tasks are so simple and easy and quick… plus I just made it even easier with my tips below!
Here are some Tips:
1. Make a Prime-eligible purchase Pre-Order something that comes out in a few months and cancel it later (cancel it few days later not right away)
2. Stream a show on Prime Video Anything under prime should do it. Pick a TV episode hit play and walk away. Must play start to end, no skipping. It may take up to 48 hours for this stamp to appear.
3. Listen to a song with Prime Music Play any song from start to end.
4. Borrow an eBook on Prime Reading borrow any book, hit Read Now, and close it.
Your Amazon credit will appear in your account within 24 hours of completing your Prime stampcard
The promotion period is from 1:00 ET June 16, 2022 to 23:59 ET on July 13, 2022