Best Power Cable for less than $100

Have you considered making your own?? There are numerous sources of wire and plugs which you can make to a custom length which has a lot of appeal to me.

I have a few Pangea cords which work well if you don't want to "roll your own".

Wireworld Stratus 7 $99

Straight Wire.

Wireworld stratus 7, on ebay you could get higher model of Wireworld Aurora 7 for 80$ retailed at 140$.
Isotek evo 3 premier.

Easy. One correct answer.
Make your own with 9 guage wire and 2 good ends.
Nothing else will come close for $100......final answer :)