Blog - CollectLean

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The Hidden Cost of Manual Invoice Follow-ups (And How to Calculate Yours)

Manual invoice follow-ups cost more than you think. Calculate your hidden costs—lost productivity, opportunity cost, and team burnout—then discover how automation pays for itself.

Sarah Johnson

May 11, 2025 9 min read

Blog

What is DSO? The Complete Guide to Days Sales Outstanding

Learn what DSO (Days Sales Outstanding) means, how to calculate it, industry benchmarks, and why it matters for cash flow. Complete guide with formula and examples.

Michael Chen

Apr 29, 2025 7 min read

Blog

What is Dunning? Understanding the Automated Recovery Process

Dunning isn\'t harassment—it\'s the methodical process of communicating with customers about debt. Learn the dunning levels, modern automation, and strategic approaches.

Michael Chen

Apr 16, 2025 7 min read