Start with an existing journey
Carpool coordination works around a trip the driver already intends to make. Confirm direction, departure window, pickup and drop points before discussing contributions.
List actual journey costs
Discuss fuel, tolls and any agreed detour. Agree how passengers contribute to these costs and what the driver still covers. Do not present the arrangement as profit-making ride work.
Agree changes in advance
Luggage, additional stops and a missed departure can change the plan. Discuss cancellation and timing expectations before either person relies on the arrangement.
Keep payment status clear
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