Terms of Use

What This Service Is

BuyPerUnit ranks storage hardware, TVs, and printer ink by price per unit — $/GB, $/inch, or $/page — using pricing pulled from Amazon, Best Buy, and Newegg's product APIs. We are not a retailer: we don't sell, ship, warranty, or take payment for any product shown on the site. Every purchase happens on the retailer's own site, under the retailer's own terms.

Prices Are Estimates, Not Guarantees

Prices, stock status, and specifications on BuyPerUnit are synced from retailer APIs on a twice-daily schedule (see our Methodology page for the exact sync mechanics). Between syncs, a retailer can change a price, sell out, or list something incorrectly — and our sync itself can occasionally lag or fail.

We make no warranty, express or implied, that any price, capacity figure, or availability shown on this site is accurate or current at the moment you view it. Always confirm the price and details on the retailer's own site before purchasing. If you spot an error, please report it — see Contact below.

Affiliate Disclosure

BuyPerUnit is an affiliate site. We earn a commission when you click through to Amazon, Best Buy, or Newegg and make a qualifying purchase, at no additional cost to you. Commission rate has no effect on how products are ranked — every listing table sorts strictly by price per unit, regardless of retailer or commission. See Methodology for the full breakdown.

Not Financial or Purchasing Advice

Content on BuyPerUnit, including buying guides and comparison articles, is provided for general informational purposes only and is not professional purchasing, financial, or technical advice. You are responsible for your own purchasing decisions. Note also that guide and comparison articles on this site are drafted by an LLM writer and pass through automated fact-checking before publishing — see Methodology for how that process works.

Third-Party Sites

Links to Amazon, Best Buy, Newegg, and any other third party take you off BuyPerUnit and onto that company's own site, governed by their own terms of service and privacy policy — not ours. We don't control, and aren't responsible for, the content, pricing, or practices of those sites.

Price Alerts

Price alerts are an opt-in feature: you provide an email and a target price, and we'll email you if that listing drops to or below it. We don't guarantee an alert will fire the moment a price changes — it depends on our sync schedule. You can unsubscribe at any time using the link in any alert email. See our Privacy Policy for how that email is used and stored.

Site Content

The BuyPerUnit name, site design, and original written content (guides, comparisons, and methodology pages) belong to BuyPerUnit. Product names, images, and trademarks shown on listing pages belong to their respective owners and are used to identify and describe the products being compared.

Limitation of Liability

BuyPerUnit is provided “as is” without warranties of any kind. To the fullest extent permitted by law, BuyPerUnit is not liable for any loss or damage arising from your use of the site, reliance on prices or information shown here, or any transaction you complete with a third-party retailer.

Changes to These Terms

We may update these terms as the site changes. Material changes will update the “Last updated” date above. Continued use of the site after an update means you accept the revised terms.