To keep afloat, every startup needs to be profitable. In theory, all you need to do is maximize the difference between the cost of production and the marketing costs for your product or service. In practice, just as you can’t reduce the cost of production to zero, you can’t endlessly increase your marketing costs because of competitors and the solvency of your target customers. How to find the right balance between expenses and revenues that will make your business viable? There’s one possible