Labas dar karta, gaivinu tema noredamas paklaust kaip ten suprasti amazon free shipping?

Noriu pirkti mikrofona, jis kainuoja 45.99 euru, prie jo kainos raso, kad tipo dar prisides 31 euras uz shipping and handling to lithuania, bet kai nueinu i savo krepseli, rodo "Your order qualifies for FREE Shipping! Select this option at checkout", bet kai paspaudziu "Proceed to checkout" galima pasirinkti du variantus, 9-14 dienu pristatyma, ir 2-4, tai wtf?Jokio free shipping pasirinkimo nera..