Niche Product Sourcing on Amazon USA

I'm looking for a savvy freelancer with expertise in the Amazon Marketplace USA to help me identify promising niche products.

Key Tasks:
- Conduct thorough product reviews analysis to pinpoint potential winners.
- Utilize sales data analysis to assess product viability and market trends.
- Perform competitor research to discover gaps in the market and opportunities for unique products.

Ideal Skills:
- Proficiency in data analysis and market research.
- Familiarity with Amazon's marketplace and product review system.
- Experience in identifying niche products and understanding of consumer trends.

I am specifically interested in the Electronics, Home & Kitchen, and Health & Beauty categories. The ideal freelancer will be able to deliver a list of promising niche products across these categories. Please include relevant examples of your previous work in your proposal.