Saving money doesn't have to take a lot of time or work...that is, if you have other people doing the work for you.
I found a site that will find out if stores owe you a refund and it's free.
The site is called Paribus and it's literally like making money while you sleep.
To use the site you will have to give access to your email, then shop online like you normally would.
The site tracks your receipts and store policies through your email confirmations. Their algorithm determines if you are owed money, alerts you to price drops, then asks for your money back for you.
It even tracks your shipments, so if something is delivered late, you should get a refund for that, too.
Even though they say they will never delete an email and that their software only searches for emails with an order confirmation...I'll admit giving access to my email made me very nervous.
But I found good reviews all over the internet. My advice: if giving up to much of your privacy makes you nervous, this may not be the site for you.
Let me know if you try it and how much money you save!