"Easy" is a word that's used to describe other people's jobs.
The best feature of a product should really be the customer service.
Customers don't just buy a product - they switch from something else. And customers don't just leave a product - they switch to something else
What you do is what matters, not what you think or say or plan.
Every time something slips through the cracks, the cracks get bigger.
The only two people who can give you real feedback about your product are people who just purchased it and people who have just canceled.