The cheapest month to buy everyday products
Most everyday categories have a predictable annual low tied to the US retail calendar. Here’s the window that historically brings the deepest per-unit discounts in each — plus the typical price you’d pay per unit right now, so you know a real deal when you see one.
Updated July 2026 · By OutletPicks Editorial
These windows reflect well-documented US retail events (Prime Day, back-to-school, Black Friday, post-holiday clearance), not our own price history. We now log every tracked product’s price on a rolling cycle — as that history builds, we’ll publish month-by-month low charts per category from our own data.
| Category | Cheapest window | Typical now |
|---|---|---|
| Hair & body per fl oz | Prime Day (July) & Black Friday (November) Shampoo and body wash bulk sizes drop during the two big Amazon events; refill gallons are the everyday value floor. | $4.59 |
| Skincare per ml | Black Friday / Cyber Monday (November) & post-holiday clearance (late December–January) Beauty runs its biggest discounts of the year in November, with a second wave of clearance right after the holidays. | $1.59 |
| Fragrance per ml | Black Friday / Cyber Monday (November) & Valentine’s run-up (late January–February) Designer and niche bottles hit their lows during holiday gifting season and the pre-Valentine’s push. | $1.81 |
| Printer ink & toner per page | Back-to-school (late July–September) + Black Friday Ink and toner see their deepest annual discounts during the back-to-school window, when office-supply demand peaks. | $0.063 |
| Pet food per lb | Prime Day (July) & Black Friday (November) Large bags see event pricing at the two big sales; Subscribe & Save is the best everyday per-pound rate the rest of the year. | $1.57 |
| Shaving & grooming per cartridge | Prime Day (July), Black Friday, and December gift-set season Razor cartridges are cheapest per unit when bundled in holiday grooming sets and multipacks. | $2.73 |
| Baby care per diaper | Prime Day (July) & Prime Big Deal Days (October) Diaper unit prices are among the flattest of any category — the real savings come from box-size events and Subscribe & Save, not seasonal swings. | $0.48 |
| Office & copy paper per sheet | Back-to-school (late July–September) + Black Friday Copy paper follows the same office-supply calendar as ink — case prices are lowest around the school rush. | $0.014 |
| Motor oil & fluids per quart | Spring & fall auto-care sales (March–April, September–October) + Black Friday Retailers run oil-change promotions around seasonal maintenance; multi-quart jugs bottom out alongside Black Friday automotive deals. | $6.99 |
Don’t want to wait for a sale? See the full Cost-Per-Unit Index for what counts as a good price per unit in every category, or browse each category ranked cheapest-first →