A market stall can stay busy all day and still lose money when waste and pitch fees disappear into separate calculations. A clear workbook sells operators visibility across products and trading days. The hidden lever is the single output that changes an actual stocking decision.
Your one-shot prompt
Build “Excel Price Calculator for Market Stalls” as a launch-ready, affordable minimum offer that delivers this outcome: Create a calculation workbook for margin, stall fees, and waste for market-stall operators. It must be testable with real users within 14 days.
+ 374 words · builds you: Product page · Template · Plan · Calculator · Form
