On a full-day tour, it is customary to invite your guide and driver as your guests for lunch or a coffee break, if you are stopping. Tipping is welcome in this country. It is customary to tip both drivers and guides. A recommended tip is usually 10% of your bill if you're satisfied with the tour. If you wish to tip, please do so in cash, as tipping with a credit card in the Czech Republic is complicated and taxable. Each hotel has envelopes at the reception desk. At the end of the tour, you can use envelopes from your hotel to tip your guide and driver.