Which method do you follow?

For the https://themakerswalk.website, I used IndieHackers a lot ;)

Listicle outreach!
More details here: https://ahrefs.com/blog/listicle-outreach/

I dog-food my own tool https://linkchemist.com/ to do outreach. If you give it a try and have feedback, please let me know since it's in active development.

https://vispr.net is a do-follow backlinks exchange network

I use the guest posting.

Make something worth linking to. Research, recaps, stats etc.