Considering this side of the board you're going to get more positive reviews than negative. With that said a service agreement doesn't start until service is activated and installed. Companies can do non refundable fees on order, DISH does not to my knowledge, but they can't sign you into a service agreement until service has been established. Even then they have to give you 24 hours to leave the service.
The biggest thing is to make sure you know exactly how the tuners work compared to your DIRECTV system.
The biggest thing is to make sure you know exactly how the tuners work compared to your DIRECTV system.