Click on the picture of the thing you want to buy.
yes but its very easy!
Ebay
by ebay,gumtree,amazon
Yes.
yeah...
Yes
Of course they do they buy hipster stuff on there
Yes
Yes
yes, you can
Yes, the point in opening eBay stores was to sell stuff before they were put out in the Internet
Ebay runs a website, where registered users can buy and sell stuff - that's what Ebay does.