Totally agree, requires lot of time and money, Automation on sites like eBay, drop catch etc.I knew a guy that did this for a living back in 2015. He told me that it's not all rainbows and sunshine as you have to literally scoop THOUSANDS of domains and hope someone is going to want the domains you've taken. He also told me that if you don't have a 10k$ budget or more, that it's best not to even start.
Even then, he had periods stretching a few weeks where nobody would inquire about any of the domains. In my opinion, it's a very risky business venture.
Yeah, there are actually good videosAnyways, his channel's name was affiliatemarketingmc (no gap in channel's name).