A functional OTB spreadsheet should include columns for each month or week of the planning period (typically 6 to 12 months). Essential data rows include:

While high-end retail management systems exist, an remains a solid, accessible tool for many small to medium-sized businesses to gain control over their cash flow and inventory levels. What is Open-to-Buy (OTB)?

: The target stock level you want to have remaining to support the following month's sales.