Translation of skeptical in German

The people in the market knew how to bargain and one would hardly have a change to lower the price drastically. We bought some Espresso cups carved and painted with some local paintings.
I wish you would help me to improve my Spanish. I am studying law in Germany and I am trying to learn Spanish. I hope you can help me and I could help you to learn German. Have a great day.
Well, being the first time in South America, especially Peru, gives you a little shock in the first few hours. Already at the airport everybody wants something ($$$) from you