Long-term investments have been around for thousands of years and have traditionally been used by companies to save for their retirement or to pass along wealth to future generations. In addition to their traditional use, long-term investments can also be used to achieve financial homeostasis or to generate income. For companies, long-term investments are usually in the form of stocks, bonds, real estate or cash.

Stocks are the most common long-term investments, as they offer potential for growth, provide dividends, and can be sold at any time, depending on the company's share price. Stocks are usually purchased on the stock market, with investors able to purchase or sell their shares through the broker of their choice. Bond investments are also suitable for those who want to make long-term investments, as they can provide steady income through coupon payments, and offer a certain degree of protection from market fluctuations. Real estate is an example of a long-term investment that can generate rental income and gain in value over time. An investor buys a property, often with debt financing, and then rents it out for passive income. Finally, cash investments are also an option for long-term investors. While there is no potential for significant capital gains, the value of these assets is more stable and the investor can access their money at any time.

Overall, long-term investments are a tool for companies and individuals alike to grow their assets and provide security for the future. However, they involve riskier assets that could lose value over time, and therefore require thorough research and expert advice in order to be successful.