There will never be enough. As an entrepreneur, 5 years runway sounds like a dream :) It all depends on your level of risk tolerance. In my personal experience

There will never be enough. As an entrepreneur, 5 years runway sounds like a dream :) It all depends on your level of risk tolerance. In my personal experience, I have found that waiting for “enough to do x” never really pans out how I thought it would anyway so just go for it, back yourself and figure it out on the way down.