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5 Common Employee Onboarding Mistakes (and How to Avoid Them)

Written by Mayank Wadhwa | Sep 26, 2025 5:42:18 AM

Employee onboarding mistakes drain resources far more than you realize.

According to SHRM, hiring an employee can cost up to 3-4 times the position’s salary. So, if you bring someone in at  $50,000,t he real cost would be around $150,000 or more.

Now, imagine watching that investment walk out the door, leave within a few months because of a preventable onboarding mistake. That’s the risk too many companies face. It frustrates employees, damages retention, and quietly eats into your bottom line.

The good news is that you can avoid these pitfalls.  

In this article, I’ll share the top 7 employee onboarding mistakes companies commonly make, and how to avoid them. Also, I’ve listed some onboarding best practices to make the process leak-proof.