What's the going rate in the US. We don't really here in Australia unless we feel like it (and most don't) but I hear it's basically compulsory in the States. Spending a week in Vegas in October and don't want to get this wrong.
Do you only tip at restaurants? For Breakfast, lunch and Dinner? Or do you tip everyone that does a service for you? What about retailers, taxi's etc?
I noticed my hotel booking added additional taxes on (over $ 20 per day for tipping as well), so is that considered covered or is that just a form of tax that employees never see?
Might seem like a strange question to most of you but it's quite foreign on this side of the world and when I was recently in Europe it was also optional.