What are the best practices for structuring travel costs in a contract, and what are best practices for evaluating travel in price proposals? I know this is a very broad question. Well, to try to narrow it, assume this is the scenario: The contract type is FFP. The contracting agency is purchasing commercial services. The contracting agency does not know and cannot predict with any certainty the amount and frequency of possible travel. All that is known is that there might be "some" travel