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Beat the Fake Sales: How to Use Price Tracking Tools and Historical Charts

Retailers often inflate prices weeks before a major sale event. Here is how to track true historical lows and automate alerts.

David Chan
David Chan
Oct 2, 2026 · 3 min read
💡 Note: This article is tagged as Deal Hunter.
Beat the Fake Sales: How to Use Price Tracking Tools and Historical Charts

Beat the Fake Sales: How to Use Price Tracking Tools and Historical Charts

Every major shopping season—Black Friday, Cyber Monday, Prime Day, 11.11, and Double Digit mega-sales—comes with flashing banners shouting "70% OFF! LIMITED TIME FLASH DEAL!"

Yet data studies across millions of e-commerce listings reveal a startling reality: over 60% of advertised sale prices are not real discounts.

Retailers routinely hike baseline prices 30 to 45 days prior to a promotional event, then slash them back down to their standard everyday price tag to manufacture artificial discount percentages.

Here is how to deploy automated price tracking tools to reveal the real pricing history of any product and never fall for artificial urgency again.


1. How the "Was / Now" Strike-Through Scam Works

Under modern e-commerce algorithms:

  • An item normally retails for $100.
  • In early October, the merchant quietly raises the listed MSRP or baseline price to $160.
  • In November during the Black Friday campaign, they discount the item to $99 and display a strikethrough: $160 $99 (Save 38%!).
  • You feel a surge of dopamine believing you saved $61, when in reality you received a negligible $1 discount.

2. The Must-Have Price Tracking Arsenal

For Amazon: Keepa & CamelCamelCamel

  • Keepa Browser Extension: Embeds a detailed interactive price history chart directly below the product image on Amazon.
    • Shows Amazon's direct price vs. 3rd-party New vs. 3rd-party Used history over 1 month, 3 months, or 3 years.
    • Highlights whether an item has ever dropped below its current price.
  • CamelCamelCamel: Allows you to enter an Amazon URL, inspect historic high/low peaks, and set an email alert when the price drops below your desired threshold.

For Regional Marketplaces (Shopee, Tokopedia, Lazada): Price History Extensions

  • Extensions like AliPrice, PriceTracker, and localized price-monitoring bots track dynamic algorithmic pricing and voucher discounts across Southeast Asian and global marketplaces.

3. How to Set Automated Price Drop Thresholds

Instead of impulsively buying when a retailer advertises a sale:

  1. Identify the product's all-time lowest recorded price over the past 12 months.
  2. Determine the median price (the price it sits at 80% of the year).
  3. Set your price tracking alert to trigger at 5% below the historical median price.
  4. Walk away. Let the automation do the work. When the algorithm legitimately dips, you will receive an instant notification without spending hours browsing feeds.

4. The Basket Abandonment Discount Trick

Many direct-to-consumer (DTC) brands run automated cart-recovery marketing funnels:

  • Log into your account on the retailer’s site.
  • Add your chosen items to your shopping cart.
  • Proceed all the way to the final checkout step (ensure your email address is populated), but do not click place order.
  • Close the tab and wait 24 to 48 hours.
  • Many automated e-commerce CRM systems will trigger a sequence:
    1. Hour 6: "Did you forget something?"
    2. Hour 24: "Here is an extra 10% or 15% discount code to complete your purchase today!"

Pairing price-history forensics with automated alert bots transforms you from an emotional consumer into an analytical buyer who consistently pays true market lows.