As it can be noticed, the quality is the main determinant factor of the success of an accommodation unit on the market. It is well known that “the quality merchandise does not need advertisement, and it sells by itself”, and the quality hotel service is nothing else but a quality merchandise. The quality is the main determinant factor of competitiveness, of performance, thus of the profit, and it means good practices (at a superior level, the one of excellence, even the best practices) according with the models of standardization, with standards (and at a superior level, with models of excellence), as they are presented in the following figure..