What care should one take while investing?

Before making any investment, one should consider the following points:
1. Obtain written documents explaining the investment
2. Read and understand such documents
3. Verify the legitimacy of the investment
4. Find out the costs and benefits associated with the investment
5. Assess the risk-return profile of the investment
6. Know the liquidity and safety aspects of the investment
7. Ascertain if it is appropriate for your specific goals
8. Explore all the available options.