I was wondering .... what happens if you want ALL THE 5E D&D? How much will it cost? So I took a quick tour of Amazon, and here's the break down of how much it would cost someone to own all the D&D (5e), as of right now, in the US, through Amazon!
(This does not include collections of books, special editions, boxed sets like the Essentials which is $15.99 or the innumerable dice, spell cards, DM screens etc. Just rule books).
Books
Core
Player's Handbook $33.74
Monster Manual $33.96
DM's Guide $26.96
Subtotal: $94.66
Settings/Crunch
Mythic Odysseys of Theros $44.96
Explorers Guide to Wildemount $34.07
Eberron: Rising from the Last War $28.99
Acquisitions Inc. $33.53
Guildmasters' Guide to Ravnica $26.02
Volo's Guide to Monsters $40.07
Mordenkainen's Tome of Foes $26.99
Xanathar's Guide to Everything $26.49
Sword Coast Adventurer's Guide $26.60
Subtotal: $287.72
Adventure Paths
Ghosts of Saltmarsh $29.68
Descent into Avernus $29.99
Waterdeep Dragon Heist $28.99
Waterdeep Dungeon of the Mage Mage $27.49
Curse of Strahd $29.99
Hoard of the Dragon Queen $20.84
Out of the Abyss $35.58
Princes of the Apocalypse $40.30
Storm King's Thunder $32.31
The Rise of Tiamat $18.89
Tomb of Annihilation $28.99
Tales from the Yawning Portal $30.49
Subtotal: $353.54
So the total to own all the D&D books right now is .... $735.92.
Honestly, not that bad!
But just don't get into miniatures. At that point, you might as well start a cocaine addition- it will cost you less.
Damn, books are cheap on American amazon! :-O UK amazon prices are about 50% higher.