text: sun,kya tumhe pata hai ki hum grocery shopping ke liye discount coupons ka istemal karke kitna paisa bacha sakte hain? bahar jaane se pehle thoda research karte hain, na?haan, bilkul! aur mujhe suna hai ki kuch apps hain jo price comparison karte hain, toh hum sabse sasta option choose kar sakte hain, kya tumne unke baare mein suna hai?