GSA SER is a very powerful software, but attempting to build targets like EDU/GOV with it is just a waste of resources. Plus, most niches don't require any EDU/GOV links. Of course, they are beneficial but not necessary. I mostly use GSA SER for most of my projects. I was totally dependent on it and still am, but now I also own a RankerX lifetime license to use intermittently with different projects—I'm still experimenting with it. Since I use only a link list, as I don't want to waste time and money on scraping, I always get a low volume of EDU/GOV links, and it's never been a problem. I use GSA for all tiers and sometimes build a few more Web 2.0s with RankerX now. Everything works great, and thanks to the latest Google update, we now have more power with contextual and parasites.
Even though you can build millions of links with GSA (with many duplicate referring domains), there is no point in using it that way. Generally, it will not cause any harm, but why waste resources? Resources mean money—more links mean more emails, proxies, content, etc.
I only build 300-500 links per tier, and for lower tiers, a few thousand, and it works great with a decent ratio.
While I am typing this, I have done an index check for my last GSA campaign to find which links are indexed and to see the results:
View attachment 341698
For the last few days, I ran a small contextual campaign with 100% unique content. This means one website/account uses only one article. You can easily generate very good content with an SEO content machine or GSA content generator. This is feasible and at least practical for small to mid-range SEOers to achieve as 500-600 unique articles for GSA costs less than $2, but when it comes to millions of backlinks, it's too much. Plus, there is no point, and if 2 million links were indexed, I am pretty sure Google would penalize it. So, it's best to go for high quality with GSA. Some say automation is a no-no for link building because they don't want to automate; instead, they're trying to go mass.
You will need basic tools to run automated link building. This not only applies to GSA SER but also to all tools, even if you do it manually.
Use private proxies, although you can use shared proxies. I don't recommend allowing GSA to scrape or use public proxies. Spend a few dollars and buy proxies—it's worth it. Try to match the same proxy provider as your link list provider, or ask—it will be a huge success. Mostly use Rayobyte, buyproxies.org. But it's better to check.
You'll need a VPS with at least 6 GB, but all my servers have 16 GB or higher because I run Xevil for reCAPTCHA. I assume I have a decent setup, but you don't need that much to start. Some of my buddies use it on their own PC.
You'll need content generation tools like an SEO content machine or GSA Content Generator, and an open API for tier 1 content.
A good link list is a must. You can either allow GSA to scrape or buy one. I'm not a scraper, so I don't have recent experience with GSA's scraping part, but the last time it was pretty slow and poor. It's best to purchase a link list as it's affordable, or if you own Scrapebox, you can scrape again—you will need Google-passed proxies as there is no point in scraping other search engines. SER Verified Lists and SER Links do a great job, but you'll never achieve a high amount like 2 million even if you try both of them. If you want to go large, try SER Power Lists; I don't think they only scrape Google, but I found they have a larger database than anyone else. SERP Grow is also great.
Captchas - GSA CB is must for image simple captchas. But i heard capmonster desktop also a cheaper option. Go for Xevil at least version 5 and it will cost only 59$ and save ton. If you own capmonster they also offer a site addon for recaptcha.
Stay away from the Web 2.0 addon for GSA. There are currently two addons, SEREngines and SERLib, both have limited GSA capabilities and are too laggy and very hard to get indexed. If you want Web 2.0s, just try RankerX, which is far better and, combined with GSA, more powerful.
Last but not least, try to go slowly, start small with good quality. Try to fill all the fields with unique data, keep it clean. Content generation softwares like seocm , gsa cg always helps with those.