post-apocalyptic setting, Fallout 4, merchant, store investment, wasteland entrepreneur, rugged attire, leather armor, caps currency, trading goods, makeshift marketplace, scavenged materials, metal structures, irradiated landscape, desolate buildings, broken signage, ambient occlusion, harsh sunlight, dynamic shadows, 3/4 view, detailed textures, gritty atmosphere, survival theme, action pose, bartering animation, dusty environment, rust and wear effects, improvised storefront, in-game economy, Vault-Tec influence, retro-futuristic design.