Every ingredient is stocked year-round at all major Charlotte chains, making this a no-compromise pantry play. At roughly $3 to $4 per serving (watermelon $5-7 per melon, berries $4-5 per container, kale $2-3, coconut water $2-3 per carton), the cost is reasonable for a single smoothie and genuinely holds up for meal prep across the week. The stated five minutes is honest; this is truly a blender-and-go formula with zero fussing. The only soft caveat is that smoothies are best consumed immediately—they separate and oxidize within a few hours—so this isn't a make-ahead breakfast for a busy family, but rather an ideal quick single serving or a same-morning blend for one.