I used to believe you get what you pay for, but haven't believed in this mantra for many years now. For example, if you have two cable manufacturers selling essentially the same quality of cable, their selling price will be determined by any number of factors that have nothing to do with the cable, including:
Marketing costs, staff costs, R&D costs, rent, rates, power, co. cars, sales & marketing strategy, borrowing obligations, place of manufacture etc. etc.
I come back to the fact that if a cable co. publishes the electrical characteristics of the cable, and the cheap is the same as the expensive, they must perform the same. Anyhting else is the users imagination. The more expensive the article, the more premium the brand, the better they are at selling intangibles.......