text: Main ne suna hai ki kuch grocery stores mein loyalty programs hote hain, kya tumhe pata hai ki yeh kaise kaam karte hain, kya hum inka fayda le sakte hain?Haan, in programs se humein discounts ya points milte hain, jo future purchases par use kar sakte hain, toh yeh ek achha tarika hai savings ka, kya tumne kabhi join kiya hai?