$300000 is not enough. It depends. If you’re a dev and planning to build something with another dev, then that’s plenty. If you’re just a guy with no idea how software works, then it may be less. If you’re a dev and your startup has nothing to do with software then also, that money is less. If you’re hiring exclusively from Bay Area devs it is less, if you’re open to contracting people from elsewhere, it is sufficient. If you’re open to hiring students from Bay Area for internships, it is sufficient. If you immediately jump on the cloud, that may not be enough. If you know how to provision a server in your garage, it may be enough. There’s a lot that goes into how much money you need, and it really depends on you to manage it.