This applies to product development, too. As 37signals demonstrated, it's not impossible to build a full SaaS product on 10 hours a week: http://37signals.com/s

This applies to product development, too. As 37signals demonstrated, it's not impossible to build a full SaaS product on 10 hours a week: http://37signals.com/svn/posts/1605-ask-37signals-how-many-hours-should-i-work-per-week http://37signals.com/svn/posts/1605-ask-37signals-how-many-h... Of course they were lucky on a number of counts for that to actually work out, but really, the big thing they got right was probably motivation. When you're already making a steady income, the push to ship something you've been building on the side is nowhere near the push to ship something that's your full-time gig.