The document discusses the financing process of tech startups through various stages. It begins with an introduction to business finance theories relevant to startups. The main sections explain the different sources of funding available at each stage - from self-financing and bootstrapping in the early stages to equity financing such as angel investments and venture capital later on. It notes that later stage financing may come from private equity firms and IPOs. The conclusion emphasizes the importance of financial planning and flexibility given uncertainties in the startup journey.