If you need to start a fire, you'll want some ocote.
The Litegua bus from Río Dulce to Guatemala City takes about six and a half hours and costs Q80 (
Chicken bus prices in Guatemala are, very loosely, around Q10 ($1.35) per hour.
Settle prices with taxis, tuk-tuks, motorcycles and boats before getting in (or onboard).
Wondering whether it's a good idea or not to swim?
Hot showers in Guatemala mostly rely on electric shower heads.
Ice cream beans in Guatemala can be bought for around Q1 ($0.13) per pod.
Lychee fruits are tasty, reasonably high in vitamin C and fairly cheap.