Marz Venture Studio
Grocery OS
Buy better, spend less. Costco-first, sourcing-smart, freezer-friendly.
Build 2026-09-28a ยท tap lobster to refresh
Shopping
Grocery List
0 need now 0 checked 0 shownYour current grocery list. Tap items to check them off as you shop.
Training View
Protein Value Board
Ranks only items with usable unit-price math. Uses current variant selection where applicable.
Weekly Ads
Deal Watch
Only normal staples, protein anchors, freezer buys, and health-priority items make this list.
Home Check
Pantry & Freezer
Mark what you need before shopping. Household items live here too. If something is on sale, stock up even if the pantry says enough.
Receipts
Price Anchors
Tracked by Costco item number first. Receipt names are allowed to be clipped.
Rules
Decision System
- Tier 1: pay attention to sourcing: low-mercury fish, pasture eggs, berries, spinach, kale, grapes, bell peppers.
- Tier 2: upgrade when price is reasonable: organic chicken, better dairy, grass-fed beef, pasture-raised meat.
- Tier 3: conventional is fine: oats, rice, beans, lentils, bananas, onions, garlic, cabbage, frozen veg.