Some of these are a bit questionable but overall fairly good advice... (AL editor)
17 Ways to Kill a Music Career
Just some of the things I learned by reading The Music Industry Self Help Guide, just released by Mike Repel (buy the book here). If you’re doing any of these things, stop it right now.
(1) Having a shitty, entitled attitude.
If you’re showing up late for gigs, not rehearsing, not supporting your scene, being a dick to your bandmates, and not working slavishly to cultivate your audience online and off, you’re doing a great job of killing your potential career. Now more than ever, the future doesn’t belong to bands that have crappy work ethics.
(2) Being addicted to any substance.
Everyone makes their own choices about drugs, including alcohol. But when those choices downwardly spiral into full-blown addiction, it can quickly threaten the survival of a band. Irritability, missed appointments, detachment, and unexplained absences are the better outcomes; problems with the law, missed shows, stealing from bandmates, violence and death are where things inevitably end if left unchecked.
(3) Relying on a label, manager or anyone besides yourself to build your career.
Even with a label deal, bands can find themselves de-prioritized, or flat-out ignored. But these days labels rarely sign bands that aren’t successfully working and developing their audiences to begin with. Which means that DIY isn’t some alternative approach, it’s essential for the survival, breakthrough, and growth of any artist.