Setting up an onion service is straightforward — it's just a web server behind Tor's rendezvous protocol. The actual work is configuring it correctly so you don't leak your real IP through misconfiguration. Here's the complete operational guide and article on how to create an onion website.

Here's the real comparison between Tails and Whonix — not spec sheets, but what matters when you're actually doing research. Tails Vs. Whonix

Maximum anonymity in Tor Browser goes well beyond the default settings. Here's a complete hardening guide.