" can't modify if it doesn't 100% meet your needs?" And its even more expensive to spend developer time doing it, then finding out no one wants your product. T

" can't modify if it doesn't 100% meet your needs?" And its even more expensive to spend developer time doing it, then finding out no one wants your product. That's what meant by failing fast. Find a quick way to validate your product in the market, then fail. Don't spend ages working on a product that will never work.