My wife got a good deal this morning.
We went to the local Currency Exchange and she got 150 Euros for £100, that's er.... ummm..... 1.5 Euros to £1
How did she get such a good rate?
I bought 300 for for 1.43/£ and re-sold them to her, that's how.
I do this sort of thing every time.
When in Bulgaria I did a similar thing in our hotel lobby, but another holidaymaker thought I was a private Currency Exchanger, and was interested at getting such a good rate from me.
I had to inform her what I was doing, and directed her to the 'Official' Money Changer. She was a bit miffed.