Welcome to the forum, I see you're new
To get you started, I'd recommend reading this and all the links in there, it will help you A LOT :)
https://sanctioned-suicide.net/threads/sn-resource-page.32633/post-649564
Also the newest edition of PPH:
https://sanctioned-suicide.net/threads/peaceful-pill-ehandbook-2020.35699/
After that, you could use a search function at the top right corner to get even more information regarding SN and don't forget google :)