I expect there is some variability, the author in this piece focuses on alcohol, which I don’t know that much about, but for “Reduce unhealthy diet” (Objective 3, page 10), CEARCH did a report here, which relates to WHO’s best buys (if not quite exactly matching their specified intervention), and found it to be “49,419 DALYs per USD 100,000″
For best buys in education, I recommend Rachel Glennester’s 80,000 hours podcast episode, where she praises the best buys, but also criticises how education spending is done
She has a second episode, which also touches on best buys
P.S. I’m not sure why this post has two disagree votes—seems like a perfectly valid forum post to me
Karnofsky, on the Dwarkesh podcast said (emphasis mine):