The BuildMyShift Blog

WFM insights for people
who actually do the work

Practical staffing advice, scheduling guides, and workforce management tips — written by someone who's spent years in the contact center trenches.

WFM 101

The Power of One in Workforce Management

Adding or removing a single agent can swing your service level by 20 points. Here's the concept every contact center manager needs to understand — and why staffing precision is never just a rounding decision.

📅 April 4, 2026 ⏱ 6 min read
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Case Study

How Separating Breaks Freed Up 3 FTE During Peak

A real scenario: 12 agents, a brutal Monday peak, and a break placement change that unlocked the equivalent of 3 extra agents — validated in under 15 minutes.

📅 April 4, 2026 ⏱ 5 min read
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Staffing

How to Calculate Call Center Staffing Without Expensive Software

Most managers guess on headcount. Here's how to calculate exactly how many agents you need — using arrival patterns, AHT, shrinkage, and service level targets.

📅 March 28, 2026 ⏱ 7 min read
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WFM 101

What is Erlang C? A Plain-English Guide for Contact Center Managers

Erlang C is the math behind every staffing calculation in the contact center world. Here's what it actually does — and why you don't need to understand the formula to use it.

📅 March 15, 2026 ⏱ 5 min read
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Operations

The Hidden Cost of Getting Staffing Wrong in Your Contact Center

Understaffed and you burn out your team. Overstaffed and you waste budget. Here's how to quantify the real cost of staffing errors — and what to do about them.

📅 March 5, 2026 ⏱ 6 min read
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