Trademark Dispute - Amazon seller copying my product listing

Sorry for the wall of text. I'm in a difficult situation and trying to figure out my next steps.

Amazon seller copying my product listing. I've been dealing with this for about 12 months now and the situation isn't improving.

This involves original creative work over the past 8 months. I do not have documentation proving my ownership and timeline.

Should I hire a lawyer for this or try to handle it myself?

Been there. Here's what I learned.

What worked for me was having everything documented. It took 3-6 months but was worth it 🤷.