You buy a cable. There 'would' be rusting. There 'would' be oxidation of conductor. $5 cable would be that way in 20-40 weeks. $50 would be there in longer, b

You buy a cable. There 'would' be rusting. There 'would' be oxidation of conductor. $5 cable would be that way in 20-40 weeks. $50 would be there in longer, because the conductor (of the connector specifically ) is different. Gold plated ones last longer, also the quality of the gold plating matters. They don't matter when they are new.