1. Bootstrapping: Using personal savings or reinvesting profits back into the business. 2. Equity Financing: Raising capital by selling shares of the company. This includes seeking investments from venture capitalists and angel investors. 3. Debt Financing: Acquiring funds through loans, which must be repaid with interest. 4. Crowdfunding: Raising small amounts of money from a large number of people, typically via online platforms. 5. Grants and Competitions: Participating in business plan competitions or applying for grants offered by governments and non-profits.