Ask HN: What are the top sites for prepping for TPM and PM interviews

[forgetme2020]

I am wondering if folks have any go-to sites for interview preparation. There's really a lot of choices (almost overwhelming really)

I am interested in learning about both paid and non-paid options. Companies I am focused on include Facebook, Google, Amazon

[idoh]

cracking the pm interview book, then get an interview coach to grill you.