Upgrading from Premiere 4 to Roamio and upgrading hard drive procedure

I just ordered a Roamio Plus and a 3 TB hard drive for it as well. I will be transferring my cable card from the Premiere 4 to this new machine. My cable company is Comcast. I have outlined steps below based on a previous upgrade a few years back. Let me know if this process seems correct for when I receive the Roamio tomorrow. Thanks!

1. Receive NEW TiVo box.
2. DO NOT remove cable card from OLD TiVo box.
3. On a TV different from the OLD TiVo, setup the NEW TiVo box with Ethernet connection. Activate the TiVo, process updates, and ensure the OLD and NEW Tivo boxes can see each other on the network.
4. If installing a larger hard drive, power off the TiVo, and perform hard drive upgrade. Safely retain the original hard drive for possible future use. Re-connect the TiVo and process any initial setup and updates as needed. You now have more storage!
5. Call the cable card support line at 1-877-405-2298
6. Explain the swap to the NEW box; they will then asked for the OLD Tivo's Host ID and Data numbers. When instructed, eject the card from the OLD TiVo, read the serial number to them, and insert the card into the NEW Tivo. Then they will ask for the NEW Tivo's Host ID and Data.
7. Hold for a couple of minutes while they unpair the old and pair the new, then a few seconds after they return to the phone, the successfully activated screen should show up on the NEW box.
8. Check channels, especially any premium channels you may have.
9. Done!