An infinite money exploit has been uncovered on console versions of The Witcher 3: Wild Hunt, and it’s pretty easy to do.
First, travel to Novigrad and find the merchant near a big ol’ funeral pyre. Head in and out of his shop menu to buy all the shells you can. Then, take a short walk over to the blacksmith nearby and deconstruct the shells for pearls.
A short run from there, you can sell the shells to a pawn broker and buy Florans on a loop. Those Florans can then be converted into Crowns. Voila!
It’s explained in the video below if you’d prefer to watch:
The creator of the video below says if you fast travel with 63,000+ Crowns, you’ll lose the extra income. Be warned.