If your site is new and have very low traffic, you can try to use some PBN/SEO services here in marketplace. I use some of them, and the result is relatively okay (some even very good). But all those link building will useless if you do not spend times to take care of your site. Make a good one, good contents, good on page SEO, nice template, etc. Then the linkbuilding will give you the good traffic result.