Although some in the industry think this is giving customers too much power over pricing, and will eventually result in petty price wars and a situation where fake goods are sold alongside genuine items, not to mention exploitation of sellers, for others guidebooks are just another step to regulating the market, making trading safer, which is worth encouraging.
雖有業者認為，這會讓消費者「跟著價錢跑」，最後演變成削價競爭、仿品魚目混珠，或是進一步壓榨寄賣主等，但價格透明後，可以帶動市場機制，讓二手交易更有保障、更合理化，應是值得鼓勵的。