Good data stewardship pays off in the long run, but it comes at an initial price. HANDS-compliant data management plans include a realistic budget earmarked for data stewardship. This may include budget for qualified data stewards.
The costs of data stewardship should be included in your grant application. Explicitly specify the costs for:
This is highly dependent on the uniqueness and complexity of the data. The main advice is to estimate these costs at the start of a new project.