Savelist - Found products you want but not ready to buy?
Paribus - Find out for free if online stores owe you a refund!
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Lolli - Earn bitcoin when you shop online
LoveSales - Find and save products you love, get alerted when they go on sale.
Slice Watch - Get an email when an item you've added drops in price 💸