Leveraging your expertise is one of the finest methods to get passive income with no initial investment of funds. Having said that, it's crucial to think about providing freelance services like writing and graphic design. You may even try your hand at providing virtual help on websites like Fiverr or Upwork. According to what I understand, it's crucial to use affiliate marketing, as you can make a sizable commission by promoting various products and services on your blogs, social media accounts, and email list without having to pay anything up front.