Search Engine always give priority to backlinks which are relevant . To stay at the top you have to keep up with google updates. Right now according to google some relevant powerful sites can drag you to the first page of google .
There are no service cheap and effective on fiverr like this , because this is not cheap , normally people have to spend more than 200$ per month to create relevant niche backlinks .
The links i will create for you will be dofollow and niche related .
After the work a full report will be sent to you .