To Repost a single ad.
Go your My Kijiji Page to manage your adds.
There should be a new button beside each of your adds.
-Click 'Repost Now'.
NOTE: Kijiji will only allow you to post 25 adds per day.
If you have one ad you can repost it 25 times.
If you have 5 adds you can only repost each add 3 times.