Repelling flies with water and pennies: Does the trick work?

Why does a penny in a bag of water deter flies? I did it and the flies left. - Quora

Does a Zip-Lock Bag With Water and Pennies Get Rid of Flies?

Why does a penny in a bag of water deter flies? I did it and the flies left. - Quora

Orange ladybugs and the spiritual meaning behind the insect: What to know

Mrs Hinch fans share penny trick to keep flies out of your home in hot weather - Mirror Online

Coins left on gravestones: What does it mean and why do people do it?

Does a Zip-Lock Bag With Water and Pennies Get Rid of Flies?

I'm a doctor - 1p coin trick will repel insects all summer long without killing them' - Mirror Online

Rare doubled die error pennies sell for big bucks. Here's what they are, and how to find one

How to Keep Flies Out Using Coins in a Plastic Water Bag