Yes, an investment can be made for 3 months. However, it is important to note that the investment may not generate the desired returns in such a short time frame. Examples would be investing in a high-yield savings account or a bank CD. Both would typically not make enough interest to match the expected gain. Warning: there is always risk associated with investing. That's why it's important to consult with a financial planner or a financial coach to determine the best course of action for your specific situation.