VIZIO 70" 1080p Full-Array LED Smart TV

Does this tv come with a manufacturer warranty?

Walmart has this TV new for $898 on Black Friday.

http://dealnews.com/black-friday/c142/Electronics/s321/Walmart/

Can you get it online on Black Friday or in store only?

This one seems to be the worst value measured in square inches per dollar:

28 2.39
32 2.19
40 2.44
43 2.63
48 2.59
50 2.67
60 2.20
70 2.09