At the end of the day you’re a musician first and a marketer second. It’s always okay to bring in some outside help, but knowing the most common marketing mistakes musicians make will help you set yourself above the crowd by embracing the new opportunities available to you for promoting your music.
At this point, I have no idea exactly how many hours I have spent tracking, but a safe estimate would be around 10 hours per song, so over 100 hours would have been spent in the studio