Ask HN: Where do you find contractors for non-technical work?

Niche forums are the best IMHO.

P.S. I'm a direct response copywriter. If you'd like to discuss something with me, email me - hn@fincopy.33mail.com

My recent experience: Upwork is the best. 99designs is decent. Fiverr is bad.

I've had decent luck with Upwork.