Several weeks to several months, depending on solution and the context
Hard
Variable
Design team, M&E Specialist
Preparing for scale will almost always require some optimization or adaptation. New users will bring new needs. New partners will bring new capabilities. New funders will bring new performance targets. Typically some trade-offs are required to balance the integrity of your human-centered solution with a model that is efficient enough for scale. Continued iterations of research, prototyping and optimization are the key to a successful fine-tuning.
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