In this post from Ryan Carson from six years ago http://37signals.com/svn/archives2/building_a_web_app_dont_forget_the_premium_plan.php http://37signals.com/svn

In this post from Ryan Carson from six years ago http://37signals.com/svn/archives2/building_a_web_app_dont_forget_the_premium_plan.php http://37signals.com/svn/archives2/building_a_web_app_dont_f... he says adding a plan that cost "$80 more ($19 vs. $99)" increased revenue by 30% within two weeks. There are many posts like this out there. Generous SaaS operators have been sharing this experience and wisdom for years and still people (usually without experience) refuse to believe it. Why? Thanks patio11 and Amy Hoy for sharing your experiences.