Little too much caffeine today? You need to stop reading articles. And really don’t engage in Pinterest.
That said, yes you can make or your own yogurt, however one must have a starter.
It does not matter what dairy you use, I have even tried strawberry or chocolate milk. You can make it on a slow cooker, or a pressure cooker. I prefer an actual yogurt maker. There are hundreds of recipes. Have been making Greek yogurt since I was little. No skill involved, just correct Temperature and in a yogurt maker at least 12 hours