some competitors’ items do not have a sell button on listings page so i cannot compete
Please check for and read other threads on a subject before you start a new one. There are several already about this topic
you can as long as you are selling the EXACT same product and it is not brand registered.
Scroll further down the Amazon detail page and you will see near the technical details the ASIN number, copy this number then go back to seller central, click on Inventory and Add a Product - insert the ASIN number and it will prompt you to sell yours
This is definitely very weird. It’s not just books as other threads seem to suggest. I am sitting here listing games, and some don’t have either ‘sell’ button - although the suggestion above re copy and pasting the ASIN did bypass it. Other games the pages are the same as usual.