Passive income: YES

Earning passive income solely from selling invoice templates is quite feasible, but it requires a solid initial investment of time and resources to set up the systems for automation and marketing. The setup costs can range from $200 to $500. To make this hustle passive, you need to create a high-quality template collection, optimize your website for conversions, utilize SEO strategies to drive organic traffic, and invest in targeted advertising. You can automate sales through platforms like Gumroad or Shopify, and outsource customer service to freelancers. Most people who reach the passive income level in this business focus on scaling their template offerings, optimizing SEO, and investing in marketing. It usually takes around 2 to 3 months to start seeing passive income, with potential earnings ranging from $500 to $2000 per month. Success in this hustle is realistic for those who are willing to put in the initial effort and consistently optimize their strategies. However, it may not be passive for those who do not invest in marketing, quality templates, or automation tools.