Reminds me of a story that happened in Russia. A store offered a discount on buying new bikes if you turn in your old bike. The discount percentage was equal to

Reminds me of a story that happened in Russia. A store offered a discount on buying new bikes if you turn in your old bike. The discount percentage was equal to the bike's weight in kg. One clever guy built a bike weighing 113 kg. It actually worked and he got a very expensive bike for free https://bloknot-rostov.ru/news/rostovchanin-sobral-velosiped-vesom-113-kilogramm-i-obmenjal-ego-na-novyj-stoimostju-200-tysjach-rublej-20140317 https://bloknot-rostov.ru/news/rostovchanin-sobral-velosiped...