Informally known as tipping, in the United States tipping is voluntary. Tips are supposed to be rewarded for services performed as well as a supplement to an employee's income (gratitude). Recommendations for housekeeping $.50 per day per person, Bellman $5.25 per day per person and discretionary for above and beyond services provided for you. Disclosure: all gratuities not outlined in the contract are discretionary. Gratuities are subject to 10.5% state tax and 1% municipal tax.