The man who abhors violence, never carrying a gun. But this is the truth, Bruce Wayne. You take ordinary people, and you fashion them into weapons. Behold your Batfamily transformed into murderers! I made Arkham City, Batman; you made this.
Bucky shops at secondhand stores, because he sees no reason not to, and was raised in an era where you used what you had until it wears out. Steve, though raised alongside Bucky, was more quick, not to mention free, to adopt modern shopping habits and brands.