Answer:
By Increasing the income or by lowering the expenditure.
Explanation:
By increasing income means that the person must invest the money which would result in increase in the annual income. This increase in annual Income would help you to save more.
The second method is by decreasing the expenditure which are not necessary or are associated with luxury lifestyle. If the person has lowered its expenses then he has started saving more and this money he or she can use elsewhere which as per their future planning.