Butter, salted (4 sticks) price in Phoenix.
Live shelf prices for butter, salted (4 sticks) (1 lb) across all four major grocery delivery services in Phoenix, AZ.
Butter, salted (4 sticks) · 1 lb
West Urban- Instacart — AldiCheapest$3.98
- Walmart+$4.00
- Amazon Fresh (Prime)$5.03
- Instacart — Whole Foods$8.80
Shelf price only — total delivered cost depends on basket size, fees, and tip.
Compare full basketHow we got these numbers
- Instacart — Aldi:Category multiplier against Walmart base, adjusted for West Urban ($3.98)
- Walmart+:Live observation from May 11 ($4.00)
- Amazon Fresh (Prime):Category multiplier against Walmart base, adjusted for West Urban ($5.03)
- Instacart — Whole Foods:Category multiplier against Walmart base, adjusted for West Urban ($8.80)
Live observations come from public weekly ads (Aldi, Whole Foods) and BLS Average Retail Food Prices, refreshed daily. Estimates use a per-category multiplier calibrated to NPR, Consumer Reports, and Tasting Table grocery comparison studies.
Why this category prices the way it does
Dairy is the most regionally stable category — milk and eggs track USDA market reports closely, so the price gap between services is usually under 25%.
Phoenix grocery context
Phoenix's 100°F+ summers make grocery delivery less of a convenience and more of a heat-management strategy — same-day windows fill quickly from May through September. Fry's (Kroger), Safeway, Sprouts, and Bashas' all serve the metro via Instacart. Aldi has a growing but still-limited Phoenix footprint — most stores opened post-2022 in the West Valley and Tempe. Amazon Fresh's Phoenix-area fulfillment center supports reliable same-day delivery, even in peak summer.
For summer delivery, schedule before 10am to avoid afternoon heat affecting perishables (most services use insulated bags but produce can wilt). Walmart+ is the most consistently cheap option metro-wide; Sprouts via Instacart wins for organic produce.
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Service fees, delivery, and tip all depend on basket size — the cheapest per-item service isn't always the cheapest overall.
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