Charity shopping can be a bit of a lottery, but occasionally, the gamble pays off spectacularly. Sifting through the infinite clothing racks at your local charity shop in search of a bargain can often feel like a daunting task, but there's always the possibility of unearthing something you adore - or that's worth a small fortune. A savvy shopper recently struck gold on social media after discovering a pair of shoes at a Goodwill store in the US for a mere $7.99 (£6). She was initially drawn to