The choice to buy backlinks can bring you a sigh of relief. But recall, quality links aren't inexpensive. Again, research precisely what you'll be getting for your investment. Ensure that your links will not all originate from the same place. Also avoid in public traded link sites. These are much more likely to be tracked and flagged by the search websites. Also, don't pay a once a month membership to maintain your links. You are miles better off buying permanent links. That is's fine if you can only afford one at a time. Just add a link every now and then and your site will continuously increase in ranking till you are able to afford to pay for more. Just be sure you do your research on who is selling them to you.