Cutting your own hair might seem like a great way to downsize your spendings, but most of us have learned that it isn't exactly an option as early as our childhood. These smart kids probably had the best intentions, too, but after spending some time with scissors unattended, they've probably cried seeing their bad haircuts. Good thing though, that the tears of these funny kids are not in vain as their bad hair day is an excellent laughing material for us! We're not trying to be mean at these…