Final answer:
Evaluating strategic opportunities is typically the previous step before developing a retail mix in the strategic retail planning process.
Step-by-step explanation:
The step that typically comes before developing a retail mix to implement the strategy in the strategic retail planning process is Evaluating strategic opportunities. This step involves analyzing potential opportunities in the market, such as evaluating different target markets or assessing potential locations for a retail store. It is important to identify and evaluate these strategic opportunities before moving forward with developing a retail mix.