The Real Price Tag

Overview

See what that purchase actually costs you — every dollar you spend is a dollar that stops compounding.

The Real Price Tag shows you the *real* cost of any online purchase — not the sticker price, but the future you give up by spending instead of investing. When you land on a product page or open your cart, a small badge appears in the corner showing what that money would be worth in a few decades if you invested it instead. Click for the full breakdown. What it shows • Sticker price vs. compounded future value at your assumed return rate • How much growth you forfeit by buying now • Optional: hours of your life the purchase represents at your wage Where it works • Amazon product pages and cart/checkout • Shopify, Target, Best Buy, Walmart, and most major retailers • Any site that publishes price data via JSON-LD Product schema or Open Graph product meta tags Settings • Adjustable annual return rate (default 10% — S&P 500 historical average) • Adjustable time horizon (1–40 years) • Optional salary or hourly wage input Privacy • 100% local — no data leaves your device • No analytics, no tracking, no account • Your settings sync via Chrome's standard storage API; we never see them Not financial advice — just math, to make you think twice.

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Details

Version
1.0.0
Updated
April 27, 2026
Flag concern
Size
31.12KiB
Languages
English
Developer
Bruce Roger Johnson Jr
450 Middlefield Rd Atherton, CA 94027-3216 US
Website
Email
brucejohnson2003@gmail.com
Phone
+1 405-496-9902
Trader
This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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