Like the post said it, the key lies in having a killer feature that users are willingly to pay for, then yes it could be right time to start the biz. At the sam

Like the post said it, the key lies in having a killer feature that users are willingly to pay for, then yes it could be right time to start the biz. At the same time, users requirements/expectations evolute with time, last year killer feature might not be this year's. I think the ability to communicate with users to understand what they want and how & why your biz is relevant to them is critical.