This Chrome-Extension is a perfect addition for: https://www.MerchNorris.de .
The MerchNorris Chrome Extension for Merch by Amazon is a useful toolkit which can help you to research profitable niche and design ideas.
Most useful features:
★ Display BSR in searchresults
★ Sort searchresults on Amazon by BSR(Best Sellers Rank) or upload-date
★ Automate (AutoFill) and speed up the upload process on Merch by Amazon
to be continued...