I haven't done any type of deep dive into the material available for new D&D players, but when I do my research on a board or card game I intend to purchase, I look through reviews and various instructional videos of play to get a sense of the game and to determine if it is worthwhile. I have to imagine this exists for D&D and for those looking to enter the gaming experience. It is a lot of money to not have done any real research.If you go to DndBeyond there's a New Player Guide link. Of course there's only so much free content WOTC is going to give away, but they have the link to the basic rules PDFs, a video and a link to the starter sets. If you don't want to buy a starter set there are a ton of free resources a web search away.
The various types of playing styles though is perhaps where it can get tricky. As a brand new player you wouldn't necessarily know anything about that. It is certainly its own chapter.