Tipping customs vary widely around the world: in some places it is an expected part of service workers’ income, while in others it is minimal, optional, or even discouraged because service charges are already included or tipping is seen as culturally inappropriate. In many parts of North America, for example, tipping in restaurants at a rate well above 10% is common, while in parts of Europe smaller percentages or simply rounding up the bill may be standard, and in some Asian countries tipping may only be practiced in international hotels or tourist-focused establishments. Hotel staff such as porters, housekeeping, and concierge personnel often appreciate small amounts per bag or per night when service is personal and attentive, although some properties pool tips or add a mandatory service charge instead. For taxis, rounding up to the nearest convenient amount or adding a modest extra is typical where tipping is normal, especially if the driver helps with luggage or takes extra care, but in places where meters already include service charges tipping may not be necessary. Because expectations change by country and even city, checking a recent guide or asking locals or hotel staff is a practical way to avoid both undertipping and overtipping.