By using camelcamelcamel or keepa it's easy to spot the fake deals, who get a bump in price the day before only to get a "discount" for the promotion day. Asid

By using camelcamelcamel or keepa it's easy to spot the fake deals, who get a bump in price the day before only to get a "discount" for the promotion day. Aside, keep a list of things you need and don't buy anything just because it's on sale.