As a complete beginner that knows how to say 2-3 sentences, how do we get to the point where it's possible to comprehend these sources?
edit: To expand on this, every advice resource i've seen on the internet has said: "forget textbooks, you need comprehensible input!" which I agree with, but how can you begin learning the language to the point at which this is possible?
You're welcome. I hope I haven't put you off. One thing that I like to do before I'm advanced enough to go 'target language only' is watch shows in my target language (dubbed if it's originally in another language) with English subtitles. You just have to remember to focus on the audio otherwise you might blank it out. Or listen to music in the target language. I doubt you could learn the language this way, but it's more exposure, which is good. It helps tune my ear before reading. It's hard to keep up the intensity if it's just study and struggle. So try to think of some 'down time' activities that let you stay with the language.