Amazon Seller Profile Optimization & Listing Creation

I need consultancy on how to start my Amazon Seller account. I have already registered but I have not understood much and I am struggling to create my first listing.

Areas of Assistance:
- Profile Optimization: My primary concern is improving my Amazon Seller profile to better accommodate international sales and to successfully create my first listing.
- Listing Creation: I need help with creating my first product listing, which will be in the clothing category.

Ideal Skills:
- Extensive experience with Amazon Seller
- Proven track record in profile optimization
- Expertise in listing creation, particularly in clothing
- Knowledge of SEO and keyword optimization
- Ability to provide clear, understandable guidance