No, the terms do not say that you can't sell or provide your app for free anywhere else. They say that you can't link to other distribution methods on the Micro

No, the terms do not say that you can't sell or provide your app for free anywhere else. They say that you can't link to other distribution methods on the Microsoft app listing page. It would be similar to compare it to a product being sold on Amazon that says go to our website and get it for 10% discount. I'm sure Amazon won't allow that.