Source:
http://directv.com/DTVAPP/global/contentPage.jsp?assetId=900030
"The DIRECTV Protection Plan gives you the ultimate in professional technical services for your DIRECTV System, including:
* Covering the cost associated with replacing defective equipment, including remotes and receivers
* Coverage of wiring, satellite antenna,connections/switches and more
* Power surge-related repairs
* Dish antenna realignments
* 24-hour technical support
* In-home service calls"
Now, IANAL, but it seems to me, shipping would(should) be considered a 'cost associated with replacing defective equipment', since the shipping is associated with replacing the equipment, it seems to me shipping would also have to be paid by them (they would probably credit your account), it should be noted, on that link, there are certain restricions on some states, which may say otherwise, but like I said, IANAL, so YMMV.
AFAICT, you still benefit if you are a lease-only sub, since the lease does NOT cover wiring (or anything else listed above BUT the receiver(s), at least I'm pretty sure it doesn't), whereas the plan will cover the things listed above, at least that is my understanding.
So to summarize, if you own, and you have the prot plan, it takes care of it all (within their guidelines), no plan, no protection at all, on anything.
A lease-only sub, would have the receiver(s) covered no matter if they have the prot plan or not, however, if they want the wiring, etc, covered, they STILL need to buy the plan.