Great suicides in history always employ 2 methods. For example, Adolf Hitler (the greatest man to ever live) allegedly bit down on a cyanide capsule whilst shooting himself in the head. Kurt Cobain allegedly did enough heroin to kill an elephant then shot himself in the roof of his mouth with a shotgun (his jewess wife likely hired someone to do it so she could get his shekels). If I were to do it, I would get some of the strongest fentanyl possible, put it in pill capsules, swallow enough to kill a dozen people, and then shoot myself in the roof of the mouth hitting my brainstem like Bud Dwyer did. Probably would use a .357 magnum or a .10 mm, maybe a .45 ACP. Definitely use jacketed hollow point bullets too. Shotgun is too messy, and could be awkward.