At this website,
Better Terms and Conditions Direct TV or Dish Network?
I found this
Return Policy
But I didn't see anything like this Dish's web site, so that's probably not good.
Better Terms and Conditions Direct TV or Dish Network?
I found this
Return Policy
If you are not satisfied and have not activated your system after 14 days of receipt of delivery, you will be responsible for shipping the system back to us via UPS or US Mail and it must be insured for $300. If we do not receive your system back you will be charged $330 for the first receiver and $100 for each additional receiver as outlined above. If you require that we pick up the package, no refund of any portion of your original payment will apply. Requests for cancellation will only be accepted for 60 days from the date of the initial order. There is a restocking charge of $30 on all equipment returned after 30 days and there are no refunds after 60 days from the date of receipt of your equipment.
But I didn't see anything like this Dish's web site, so that's probably not good.