Watercress is about $2.49 to $2.99 for a bag with four servings in it. That's not prohibitive. A real problem is it's hard to find watercress, and anecdotally I

Watercress is about $2.49 to $2.99 for a bag with four servings in it. That's not prohibitive. A real problem is it's hard to find watercress, and anecdotally I see it more in upscale stores than in regular supermarkets in poor areas.