I bought Axiom's bulk wire, I highly recommend it very flexible, easy to work with and it doesn't set off my phobia for clear plastic covered coathanger wire .

No need to worry about the lengths being different, I think they would have to vary by over 100' before you would ever start to imagine you heard a difference.

Getting to 2,000 posts; one year at a time vp160/qs8/qs4/SVS 2000/m60/Monolith 3x200 amp