By having a customer journey, you define what the best experience for your customer should look like: what they can expect, what they should go through, what they should achieve, how, why, when, who should guide them through what, etc. It is crucial to have it for a business of any size. Then, you can operate in your day-to-day life around it. The journey has been created and recreated by thousands of companies before.
You really do not have to reinvent the wheel here. Follow my simple 6-steps process on how to build your own customer journey. I have simplified it for you and extracted the most crucial information you need. You can get started immediately after reading it. A bonus: a visual customer journey template.