Respuesta :

spend carefully use discounts monitor your spending create list on how much you spend etc.
  at first, if you want do any get invest with anything that have risk such as stocks, you better research a lot of it before you actually invest it. so when you losses money, you won't loss a hole lot of money. if you are not sure with anything or you are afraid of losing money with the thing that you wanna do, the do hard research on it. :D