Private investment is crucial for individuals looking to secure their financial future. This article explores different investment options for individual investors and identifies seven key criteria for evaluating these options. The investments are categorized based on factors like risk, return, initial capital, knowledge required, and payback period. Some options, like deposits and government savings, have low risk but lower returns, while stocks and real estate offer higher returns but come with more risk. By understanding these criteria, individual investors can make informed decisions about where to invest their money.