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Nora Collins
Written by
Nora Collins
Last updated
July 13, 2026

7 Essential KPIs to Track for a Float Spa


Frequently Asked Questions

Given the low COGS (23%) and variable expenses (70%), the Contribution Margin should be maintained above 90% to maximize profit per session;

Nora Collins
About the author

Nora Collins

Small Business Writer

Nora Collins is a small business writer for Financial Models Lab who focuses on business affordability analysis for entrepreneurs planning with limited capital. She researches how small businesses launch, operate, and earn money, helping online beginners evaluate business ideas with clear, practical guidance. Her work explains business costs without unnecessary jargon, making financial decisions easier to understand.