What was your most obvious early mistake in launching an online store?

Reflect on a misstep you made when you first ventured into online retail that now seems glaringly evident. What error did you commit as a beginner in e-commerce? I’m curious about your experience since I might be encountering a similar pitfall. Please share the details of your early journey so others can benefit from your insight and avoid the same common oversight.

i didnt ppay much attention to mobile users early on, so my site was a hot mess on smaller screens and i lost many custmers. was a tough lesson in making sure every device gets proper care!