The main advertising in Solata was done by forums dedicated to BG3. It was so much that I wonder if the developers themselves decided to get free advertising.
Certain elements are hard to justify with a low budget. Without a large budget, you save on certain elements in order to be able to refine them, otherwise none is well made. If you cannot afford the movie dialogs, you display a window with the text. If you can't afford good character models then you don't do character close-ups. If you cannot afford full sound, you either give it up in whole or in part. I could list goes on. The most important thing is to measure your plans against your budget. Otherwise the game will come out either broken (see Cyberpunk) or bland.
