A fresh, inviting scent can instantly set the tone for a positive showing experience. Start by eliminating odors at the source — take out the trash, deep-clean surfaces, and open windows for ventilation. Avoid overpowering fragrances, as they can make buyers suspicious or trigger allergies. Instead, choose light, natural scents like citrus, fresh linen, or vanilla. Baking cookies, simmering cinnamon water, or using subtle diffuser oils can create a warm, welcoming environment. A clean-smelling home helps buyers feel comfortable and encourages them to stay longer during showings.