Deal Research

DMFLIP research and methodology for understanding online price drops and promotions.

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Should You Buy Now or Wait for a Better Price?
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A practical way to decide whether a current discount is good enough for your needs or worth waiting on.

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How Coupons, Promo Codes, and Cashback Change the Real Deal Price
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Why the price shown on a product page may not be the final effective price, and how to compare discounts fairly.

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Clearance, Promotion, or Price Error? Understanding Unusually Low Prices
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An unusually low price can have several explanations. Here is how to think about it without assuming every steep discount is a mistake.

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Why Online Prices Change So Quickly
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Inventory, promotions, competition, and automated repricing can make an online deal disappear quickly.

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MSRP vs. Street Price: Why “40% Off” May Not Mean 40% Off
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Why advertised percentage discounts can be misleading, and how street price gives shoppers a more useful comparison.

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How to Tell If an Online Sale Is Actually a Good Deal
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A practical framework for separating meaningful price drops from ordinary sale labels and inflated reference prices.