text: yaar,aaj kal toh ghar ke liye green building materials ka use karna zaroori hai, kya tumhe pata hai ki yeh kitne beneficial hote hain environment ke liye?bilkul, par mujhe toh samajh nahi aata ki kaise choose karun, sab itne expensive lagte hain, kya tumne koi budget-friendly options dekhe hain?