Farashin mu yana iya canzawa dangane da wadata da sauran abubuwan kasuwa, misali ga albarkatun kasa, farashin musayar waje da dai sauransu, amma koyaushe muna yin iyakar ƙoƙarinmu don kiyaye farashin a cikin ɗan lokaci, yana da taimako don riƙe kasuwa ga abokan ciniki.