Here are some business ideas you can pursue with little to no capital investment:

Freelance services: If you possess writing, editing or graphic design skills, you can offer your services to clients through online platforms such as Upwork, Fiverr or Freelancer.

Social media management: Many businesses need help with their social media presence, and you can provide them with social media management services on a freelance or contract basis.

Consulting: If you have expertise in a particular field such as finance or marketing, you can offer consulting services to businesses or individuals.

Pet care: If you love animals, you can offer pet walking or sitting services to pet owners in your area through online platforms such as Rover or Wag! or by advertising your services on social media.

Cleaning services: You can start a cleaning business with minimal investment by offering your services to homes, offices, or other businesses in your area.

Remember that starting any business requires hard work and commitment, regardless of the amount of capital invested.