Amazon will be throw a lot of Prime Early Access deals at consumers over the next 48 hour , but it turns out not every “ deal ” offers as full-grown a discount as it take . Sure , the sticker might say 50 % off , but price history is a explosive thing : If a product is advertised as 50 % off the manufacturer ’s suggest retail Mary Leontyne Price ( MSRP ) , but it has n’t actually been sold at MSRP in ages , then your deal might actually be well less .

These form of slips are often accidental or due to ignorance , but some less conscientious companies will momentarily lift prices before grownup sales issue , just to make discounts seem big than they in reality are . Whether this is legal depend on where you live , but even if it ’s not officially kosher , that wo n’t stop some sellers from taking an “ it ’s better to ask for forgiveness than permission ” approach .

Throughout the Prime Early Access Sale , our friends over atThe Inventorywill do their serious to help you sort through which mess are really worth your sentence . But there are also tool you’re able to use to see how big of a discount you ’re really get . We ’ve focused principally on web browser app - based tools , rather than extensions or apps , in edict to helpkeep your personal data secure .

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Photo: Denis Charlet (Getty Images)

CamelCamelCamel

CamelCamelCamelis one of the most pop tools for cross Amazon price history . Just explore for an item or paste an Amazon uniform resource locator into its hunt stripe , and it ’ll take you to a convenient chart prove the highest and abject an point has ever sold for , as well as Mary Leontyne Price level it ’s held on sure mean solar day going back several years . You ’ll also be able to compare the prescribed Amazon cost against prices from tertiary party sellers , including those selling the item new and used . No email is required , and while there is a web internet browser extension , it ’s completely optional . Should you prefer to give CamelCamelCamel your email , you may have the site email you when the terms drops on a specific item .

The only downside is that the UI for the site itself is a slight dated , and that the site only cross price across 8 countries .

Keepa

Keepais interchangeable to CamelCamelCamel , except that it tracks prices across 12 countries , include India , Brazil , and Mexico . On top of having all of CamelCamelCamel ’s characteristic , it also blow a number of feature that CamelCamelCamel does n’t have , including the ability to scrub through its charts to find what a price was on any specific sidereal day within a certain range . you may alsoimport your Amazon wishlistto make custom damage watch varlet , plus there ’s a deals landing place varlet that highlights recent price drops , complete with plenty of adjustable filters . CCC technically has a deals landing page as well , although the site ’s dated UI makes it a little difficult to navigate .

Unfortunately , some tools , like tracking sales ranking and including cargo ships in your price calculation , postulate a subscription .

Google Shopping

Google Shoppingis another alternative to CamelCamelCamel and Keepa , and it excels in comparing live prices across various website without make to install an prolongation . You ’ll also be capable to leverage the Google search cortege here , so you’re able to specifically explore for item in physical locations near you . That might not be super useful during the Prime Early Access Sale , but being capable to compare prices across other web site can be helpful in spotting if Amazon ’s prices are , or have lately been , inflated . It ’s also helpful in determination which memory might be carry gloomy - strain items , and give that Prime Early Access ’ deals are starting to swamp out into competing storefronts , you may keep up with the rivalry here .

There ’s also a turn of filter options you get on a per - item basis that can help you refine your search . For representative , if you search for iPhones on Google Shopping , you could limit your results to sure spectacles like random memory and reposition capability .

PCPartPicker

PCPartPickeris one of the most robust , but also most specialize , price tracker on this list . While the website ’s principally love for help its users pick out microcomputer components that complement each other , every ingredient it heel will also recite you how much it has historically cost across dissimilar sites . The sites displayed varies depending on the item , but almost always include anchor like Walmart , Best Buy , and Newegg . you could see pricing across individual days going back for up to two class ago , but the catch is that Amazon is n’t include on the lean . Still , it ’s a utilitarian prick to see how Amazon ’s price compare to what you ’ll find on other web site , all in one billet . Plus , pot of non - Amazon sites will host deals of their own during select sale upshot , anyway , so it ’s good practice session to check them as well .

Update 10/13/22 : The original variation of this post wrongly submit that Google Shopping does not get over cost history . This has been fixed .

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