Buy and Sell Some XP is an achievement that requires the player to pickpocket the training dummy again after asking Darren Lightfinger to do so, earning a total of 2,000 experience.

The player will need to pickpocket the training dummy, agree to teach Darren some tips, then pickpocket it several times before the experience will be rewarded. After each pickpocket, there will be additional dialogue the player needs to click through or the player won't progress.

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