Christoph Kay
Christoph worked as an electronics technician in industry for five years and experienced firsthand how missing small parts can slow down processes. Later, as a project manager at P.S. Cooperation GmbH (Böllhoff Group), he introduced digital procurement processes for recurring parts at medium-sized companies and corporations. Today, he is building repleno to largely automate the procurement of consumables in small businesses.
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Inventory Metrics in the Trades: 4 Numbers That Make Stock and Costs Visible
Inventory metrics in the trades: Inventory turnover, storage duration, storage cost rate, and stockout rate explained. With formulas, benchmarks, and a calculation example.
Stocktaking for Trade Businesses: Checklist, Process and GoBD Guidance from the Field
Stocktaking guide for trade businesses: process fixes for stock discrepancies, practical count sheets and GoBD tips so your target and actual figures finally align.
Hourly Wage for Tradespeople in Germany 2026
Gross hourly wages for tradespeople in Germany 2026: tariff wages by trade, minimum wage, master vs. journeyman, separate from customer rates.
Safety Stock Calculation: Formula, Example and Practical Tips for Trades
Safety stock calculation with formula, practical example for trade businesses and tips for supplier reliability, consumption fluctuation and day-to-day implementation.
Inventory Management: Excel vs. App — An Honest Comparison
Excel or app for inventory management in the trades? Honest comparison with facts, limits, and a clear decision guide for trade businesses.
Reorder Point Calculation: Formula, Example and Practical Tips for Trades
Reorder point calculation with formula, practical example for trade businesses and tips for safety stock, lead time and daily implementation.
