Swedish Dumsnål (lit. stupid-stingy)Stingy to the point where it becomes counterproductive, e.g. buying something that breaks down after a week.

https://sv.wiktionary.org/wiki/dumsn%C3%A5l Företaget insåg att det varit dumsnålt att outsourca kärnverksamheten till den lägsta budgivaren när kunderna flydde = The company realized that it had been dumsnål to outsource its core business to the lowest bidder when the customers fled