How about a site which parses your credit card / bank statement to find out where you're spending money and provides tips to save cash based on that spending (which could be sourced from community submissions + voting)
E.g. I buy supermarket gift cards from a slightly obscure site which sells them at a 5% discount. Super easy way to save a few hundred dollars a year. The hardest thing was discovering that this was an option.
E.g. I buy supermarket gift cards from a slightly obscure site which sells them at a 5% discount. Super easy way to save a few hundred dollars a year. The hardest thing was discovering that this was an option.