Horses for courses:

Freemium can be a great tool for businesses, but before you commit to using freemium, you need to understand your business model and how your customers are going to respond to it—so do your homework. You are in business to make money… via [6 Ways Freemium Can Kill Your Startup

Chargify Recurring Billing Blog](http://chargify.com/blog/6-ways-freemium-can-kill-your-startup/).