We hired a cab for a day trip from Kuta to Bali in Ubud.
The cab driver stopped at a coffee plantation on our way and insisted that we have a look. He said it was an experience and we were not bound to buy anything.
Once we had done the tour and tried the samples, the people working at the plantation showed us different variants of coffee which were beneficial for our health.
They insisted that this was the cheapest price since we are directly buying from the plantation. We bought a couple of packets only to realize we had been ripped and the actual market price was much lower.