2.
Put an end to installment shopping. Installment payment not only brings convenience to consumption, but also brings consumption traps. Some of them include service fees, installment fees, guarantee fees and other fees. Accumulated in installments, it is much more expensive than cash payment, and some will be as high as 30% or more of the commodity price.
3.
We should follow the consumption principle of "living within our means and rational consumption". Don't overspend, keep up with other students.