BI6NSL Things are also divided into three, six, and nine grades. If you think they're the same, I won't argue with your opinion. If you think they're good, you can start a post to help other ham enthusiasts. As I've said before, I'm not a seller, so I don't make these things. The cost is higher because I believe that if it's well-made, it will have quality assurance. Can you guarantee the quality? Don't even mention Taobao; I can buy them for just a few dollars there. Would you dare to buy one? We shouldn't only focus on cheap prices. When I buy things, I pay attention to quality. Everyone has different opinions, and I'm just sharing my thoughts. You don't need to care about that either; everyone has their own views and ideas.