Read the following context and answer the question.
Context: Especially when you consider that we sold the old Ikea dresser that used to be in the space for $ 30 on Craigslist since we no longer needed it thanks to our bedroom 's new built - in closets . Actual project cost : $ 3 . Oh and for anyone saddened by the displacement of the three sunset pictures that used to hang on the wall , they 're looking great in the third bedroom ( which needed some wall art since we stole the big mirror from there ) .
Question: How did the narrator make a profit ?
Answer:


They sold something on the internet .