The Hand of Merlin
54 Achievements
GOG
Caravaneer
Spend 3000 gold.
7.1%
How to unlock the Caravaneer achievement in The Hand of Merlin - Definitive Guide
You will earn this through your playthroughs without having to concentrate on it (assuming you are buying relics and upgrading your gear!). You will likely get it on your 5th or 6th playthrough.