Buying a Mushaf
Scholars have said that whoever sees themselves buying a Mushaf in a dream, their religious knowledge may spread among people, and they may achieve good. This vision is interpreted as a sign of general benefit and the dissemination of religious knowledge.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.