Is it possible to launch a startup without investment? What strategies should you use? Perhaps there are some books on this issue? I really want to open my own business and grow it over time.

Launching a startup without investment is indeed difficult, but not always impossible. The Internet provides many opportunities to start a business with minimal costs. Consider creating a website, online store, blog or app. Launching a startup without investment requires a lot of effort, patience and creativity. It is important to evaluate your resources, look for opportunities to reduce costs and be prepared for constant adaptation and changes in the business model. You can read about startup without investing here dollaroverflow.com/blog/how-to-start-a-startup-without-investing