Cheap 101 Student Resources

Ima’s Savings Lab

Professor Ima B. Cheap believes the best bargain is the one you understand before you buy. Compare prices, calculate the real cost and use these free resources to shop with confidence.

Smart Shopping Tools

These independent websites and apps can help you investigate prices, find local savings and check product safety.

Check Amazon Price History

See whether today’s price is truly low by checking Amazon’s available price-history information.

Learn How

Track Amazon Prices

Keepa provides price-history charts and can alert you when a product drops to your target price.

Visit Keepa

Compare Store Prices

Use ShopSavvy to scan a barcode and compare prices from online and nearby retailers.

Visit ShopSavvy

Find Local Weekly Sales

Flipp gathers local weekly advertisements, coupons and shopping-list savings in one place.

Visit Flipp

Earn Online Cash Back

Rakuten offers cash back and eligible coupon savings at participating online and local stores.

Visit Rakuten

Earn Receipt Cash Back

Ibotta offers cash-back opportunities for qualifying grocery and retail purchases.

Visit Ibotta

Try Coupon Codes

Capital One Shopping can compare prices and attempt available coupon codes at checkout.

Visit the Tool

Check Product Recalls

Before buying an unfamiliar or secondhand product, search official U.S. recall information.

Check Recalls

Do the Math Before You Buy

Enter your numbers below. Calculations happen only in your browser and nothing is saved.

What Will I Actually Pay?

Calculate the final price after a percentage discount and optional sales tax.

Original price ($)

Discount (%)

Sales tax (%)

Enter a price and discount to see your savings.

Which One Is Cheaper?

Compare packages by ounce, pound, count or any matching unit.

Item A price ($)

Item A units

Item B price ($)

Item B units

Use the same unit for both products.

Is It Worth Buying?

Estimate the cost per use to compare lasting value—not merely the sticker price.

Purchase price ($)

How many times will you realistically use it?

A useful item often becomes cheaper every time you use it.

Cheap101 is not affiliated with the independent savings services listed above. Features and offers may change. Always review each service’s current terms and privacy practices.