eBay

I was running a sale in my store to be completed 11/12/2019 1201 am. It is still running. How can I end it?

When I am listing an item, about 50% of the time when I click on 'Preview', the screen changes to white and does not display my listing. I have made mistakes because I can not see what the listing will look like. Is this a glitch or am I doing somthi...