we have been building links from October 2019 to present day (August 2020), and have seen traffic from under 3,000 visits per month, to over 10,0000 per month. (as shown in Ahrefs)
Here is the Google Analytics report showing the total amount of traffic we gained in the last 6 months, versus the previous 6 months. (and traffic is continuing to climb)
Increase in rankings
Ranked in positions 1-3 for 64 keywords, to over 151 keywords.
Some example super-competitive keywords on Google US they rank on first page for:
Traffic value went from $13,000 to almost $50,000 (how much this traffic would coston Adwords)