Pink Gymshark Leggings A lot of 3 nwot Gymshark legging . I

Stylish pink leggings from Gymshark. Perfect for workouts.Can someone hrlp me. I want to learn how to sell live and auction style where i can sell without items voming from my closet. Where customer bid and the winner bidder wins. I search youtube but i still dont understand it Ppease help