It’s no secret that time is money and we only have a certain number of hours in a day. The time-for-money model is therefore not sustainable in the long term if you want to work with high-end clients. High-end clients don’t want to pay by the hour, but for the result. Take a website translation, for example.
https://www.linkedin.com/pulse/20141202144021-8238430-charge-for-results-not-by-word-or-hour