If you have a discount code you can share, it would provide a neat excuse for posting the link in a comment along side it ;)
https://www.udemy.com/course/vector-databases-deep-dive/?cou...
I already have a Udemy account so when I went to checkout and logged in it said the promo was for new users only. But I went back to the course page again and reloaded the page so that I was logged in and then I was able to buy it with the coupon applied.