I came across this on Facebook and it sounds good!
Obviously it would be a bother to get it done every day, and I probably wouldn't do it physically, I would try and do it on my online banking if I can.
Just wondering if anyone else has heard of this or given it a go before?
www.standard.co.uk/lifestyle/london-life/how-to-do-the-1p-challenge-a4323246.html