Cost-benefit analysis is a decision-making tool that helps individuals or organizations evaluate the potential costs and benefits of a specific action or decision. It involves weighing the potential benefits against the costs associated with the decision, to determine whether it is a wise choice.

Here are some ways to make better decisions using cost-benefit analysis:

1. Identify the problem: The first step in cost-benefit analysis is to identify the problem or decision that needs to be made. This involves being clear about what needs to be accomplished and what the potential benefits and costs might be.

2. Define the options: Once the problem has been identified, it's important to define the potential options. This might involve considering different courses of action or weighing the pros and cons of a specific decision.

3. Assign values: To make a cost-benefit analysis, you need to assign values to the costs and benefits associated with each option. This might involve assigning monetary values to specific costs or benefits, or assigning subjective values based on other criteria.

4. Calculate the costs and benefits: Once you have assigned values to the costs and benefits of each option, you can calculate the overall costs and benefits of each option.

5. Evaluate the results: Finally, you can evaluate the results of the cost-benefit analysis and use this information to make a decision. This might involve choosing the option that provides the greatest benefit with the lowest cost, or making trade-offs based on other criteria.

To make better decisions using cost-benefit analysis, it's important to be objective, thorough, and realistic. This involves gathering as much information as possible, considering a range of options, and being willing to revise your approach as new information becomes available. Additionally, it's important to consider both short-term and long-term costs and benefits, as well as any potential risks or uncertainties. By using cost-benefit analysis in a thoughtful and systematic way, individuals and organizations can make better decisions and achieve their goals more effectively.