Flies coming inside your home have to be the most annoying thing ever, they have so much space outside why the need to come inside and bug us? But now you'll never need to worry again as a Mrs Hinch fan has shared an incredibly easy hack that doesn't cost you anything – apart from some loose change. Sharing a picture of a clear plastic bag filled with water and coins hanging by a window she said she'd had great results and branded the trick "amazing".