Hi Claudio,

You're not obliged to pay tips here is US too, if you don't like the service. My husband and I usually do this way: if we don't really like the service (say, we waited too long in the restaurant) we pay 10%, otherwise we usually pay 15-17%.

>Hi, Nadya.
>
>>I did and for a moment forgot about tips, which she reminded me... So, >I gave $5 as a tip.
>
>I'm still passing through the "culture change" (since I only got to the US 9 months ago), and this is something I can't dig: in Brazil, if I go to any sort of place (restaurant, haircutters, whatever....), if I don't like the service they provided me, there's no people on Earth to convince me to tip them. :)