@Supersimkin2 Same fabrics, same factories as Primark, so why triple the price?
volume discounts - the factories will charge primark less than they charge a quality-over-quantity brand because primark orders 1,000,000 items in a line rather than 10,000.
quality rejections. the same factory can ruin the machines faster, produce items more quickly and employ fewer staff for quality control as primark will take and sell the slightly imperfect items at full (albeit low) price.
the other retailer will have more exacting standards and will reject anything with the slightest flaw so the machines run slower and there are more employees checking the goods.
then the quality goods get packed for transport more carefully so there might be 50% fewer items in a cargo container because the primark items are packed so much more densely.
it all adds up