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Why do D&D books have to be so expensive?
(hexbear.net)
Tabletop, DnD, board games, and minecraft. Also Animal Crossing.
3rd International Volunteer Brigade (Hexbear gaming discord)
Rules
As others have said, pirate things. I'd also suggest looking for legally dubious online resources, lots of websites out there that have SRDs and splatbooks laid out in an easier-to-navigate website ways than PDFs.