If you quit without adequate cash, you will spend most of your time worrying about money rather than building your project. If you have your parents' support,

If you quit without adequate cash, you will spend most of your time worrying about money rather than building your project. If you have your parents' support, then you spend time worrying about their level of support. I would not take this level of risk unless you have already validated your idea through a customer sale, and it's just a matter of finishing the project to deliver.