Buying an item on your site

"Hello,

  We are interested in advertising. We want to advertise guest article  
on your site planet.kernel.org. Our article will be written according  
to your site theme and will include a link to a betting site.

  What is the rate for this?

  IMPORTANT: If you are not accepting links to gambling site we might  
be still interested, Please mention the rate for regular links as well

  Skype: shanker2020
  Telegram 9966160005
  WhatsApp number: 9966160005

  Thank you"