For the First Time ever in SEO Clerks, get a backlink from a guest post at a high authority EDU website (DA 75).
A very high authority backlink with skyrocket your rankings. But an Edu backlink coming from a real Educational site is even better.
Paying heaps for a profile link or comment links is just so irrelevant these days. It's time to switch to get something that makes a real change to your rankings.
Not just that, but it has an organic traffic of over 1 million every month, and more than 1.81 Million backlinks from sites like Wikipedia, The Guardian, Forbes, New York Times, BBC, Google, etc.
So you do not need to worry about being penalised or getting a bad authority backlink (especially edu links). A backlink from domain with over 590,000+ indexed pages, 75 DA, 659K+ Organic Keywords, 1 Million Organic Traffic in such an affordable price is hard to find and it For the First Time ever in SEO Clerks.