
Cold Plunge and Sauna Recovery Studio Bookkeeping: Presales, Six-Figure Build-Outs, and the Utilization Math That Decides Your Margin
How to book a cold plunge and sauna recovery studio from presale to full capacity — founding-member cash held as deferred revenue under ASC 606, a $110,000–$250,000 build-out split between Section 179 equipment and 15-year qualified improvement property, and the three utilization KPIs (plunge occupancy, revenue per plunge-hour, churn by wait-time cohort) that show whether another chiller pays.










