Price Comparison Is More of a Data Problem Than a Pricing Problem
Most price comparison sites do a decent job of finding prices. The problem is figuring out whether those prices are actually comparable.
You can pull prices from Amazon, Walmart, and Target, put them in a table, and sort from cheapest to most expensive. Everything might look correct, but that doesn't necessarily mean the cheapest product is the best deal.
Take diapers, for example. If someone is shopping for size 4 diapers, they probably care more about the cost per diaper than the price of the entire box. A box of 120 diapers for $39.99 is a better deal than 74 diapers for $27.49, even though the second box is cheaper.
The math is simple. The difficult part is consistently figuring out how many diapers are actually in each package.
Product titles make things complicated
Retailers don't follow a consistent format for product titles. Even products in the same category can...
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