text: jab tak main yaad kar sakti hoon,meri dadi hamesha kehti thi ki savings ke liye cash rakhna sabse best hai, par ab digital wallet ka zamana hai!bilkul, par mujhe lagta hai ki unki wisdom bhi samajhni chahiye, kyunki unke methods se hum kuch important lessons seekh sakte hain, kya tumhe nahi lagta?