As ticket touts doing brisk business outside of Kanye West's surprise show in London on Tuesday will testify, the rapper's popularity can prove profitable.
However, one eBay seller has taken this to the next level: a bag of air from an unspecified show from West's Yeezus tour is currently selling for $60,100 (£39,725).
The bag was listed with a starting price of $5.00 on Sunday, and, with three days to go, is in the middle of a bidding war between a handful of users.
The seller has not had to work hard to convince fans to part with their money. Instead, Pennsylvanian eBay user stangeedon1 has simply explained that this is "Kanye West Yeezus Tour Air For Sale", and was acquired after he "Held bag open and sealed air in." He has supplied no evidence to show which concert he was in attendance at.
The lucky buyer will receive a zipped bag with the words "air from Kanye show" written on it.
If you see an Ebay bid for Kanye West's "air", yes, actually OXYGEN, you read right! People are actually selling alleged air from Kanye West's Yeezus Tour and they are making big bucks. Bids have gone all the way up to......
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