Manufacturer's warranties only cover manufacturer defects or defects in workmanship, Black Tie Protection covers that as well as
- Protection from dust, heat and humidity
- Failures due to normal wear and tear/usage
- Failures due to power surges
- No-lemon guarantee
There is also an Accidental-Damage plan that covers all that plus accidental damage from handling.
As a former employee of Best Buy my opinions are my opinions, and not those of Best Buy.