I am lost and can't find a cheaper <$3-4 / ft for 4/2 or 4/3 copper. I can see 6/2 <$2.8 per ft but as soon as I go to 4/2, prices are twice or more higher. So rather than getting it for $300 with taxes for 100 ft, I am getting 600+. I looked at Amazon / Ebay/ Homedepot. Also, there are so many...