When contemplating a visit to a spa, an intriguing question often arises: how much should one realistically tip for the various services rendered? In a world where gratuities can be a matter of etiquette and personal expression, one might wonder about the customary percentages or fixed amounts that are deemed appropriate. Should the tip be based solely on the total cost of the service, or should the quality of the experience and the level of care received also influence the decision? Furthermore, what are the implicit expectations in different types of spas—day spas, resort spas, or wellness centers? It becomes even more complex when considering additional factors such as the reputation of the spa, the specific treatment received, or if the practitioner went above and beyond to ensure a memorable experience. Ultimately, how does one navigate these murky waters of gratuity to arrive at a suitable and fair contribution? What are the unspoken rules that one must adhere to in this context?