tuitions

hi, I am having some money with me[3500Dhs], Appr 42000/- INR, which i wud like 2 buy a “gadget”. Simply I don’t wanna make a “blind buy” , I want 2 buy some “gadget” which will help me 2 get some money back , So what comes 2 my mind is a “Laptop”,[eg: If i have Laptop , I can take...