There is a story about Laszlo Hanyecz who bought on the 22nd May 2010 a pizza for 10000 bitcoins
The price was fair at that time, but if we think about it now, this represents $4 000 000.This is certainly not the most money one person paid for an item, and it is biased by the exchange rate which evolved. Yet, it's a famous one !
Don't make the same mistake with your Steem !