We've interviewed thousands of successful founders at Starter Story and asked what advice they would give to entrepreneurs who are just getting started.

Here's the best advice we discovered for starting an earplug business:

#1: Janne Kyllönen, founder of Quieton:

We chatted with with Janne, founder of Quieton ($500K/month). In our interview, Janne says:

Starting mass production is much harder than you would imagine. When the device is designed, the work is far from being done.

Additionally:

Test your product with customers early enough.

Read the full interview ➜

Part of

Starting An Earplug Business: Everything You Need To Know

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