I'd do it via an elaborate plan to fake my own death, in this plan will result in me getting kidnapped, then having a body double get "rescued" only to get gunned down by 5 gunmen armed with...well...guns I guess.

I would jump from the 21st floor of a tall building 🙃

I'd bury myself alive so no one has to deal with the body later.

like I would anyone else ,I'd feed me to the hogs

read my fearured story a hanging in the carolinas

Explosives on an open hilltop in an area with lots of carrion, it's a do-it-yourself sky burial.

fast acting poison. or muscle relaxants.

Interesting question

I'd probably jump from a really tall building. Going out by overdose could end up worse than death, hanging sounds like too much effort and guns aren't legal here. Yes, jumping off a building would be my choice, if I ever had to make such a choice.