BulkSplit: Weight-Based Variant Inventory Pooling
The Opportunity
Sell fixed-weight variants (e.g., 10g–1000g) from a single bulk pool and automatically hide variants that exceed remaining weight. Keeps variant availability accurate and prevents overselling large sizes.
"Merchants buy in bulk weight but sell multiple variant sizes; Shopify does not natively deduct all variants from a single weight pool or auto-disable variants when insufficient weight remains."
Market Validation
Detailed Analysis
Proposed Solution
Define a master bulk SKU per location with grams available; each variant references a pack size. The app computes available units per variant (floor(bulk_remaining/size)), updates variant inventory, and auto-hides variants (e.g., 500g/1000g) when below thresholds while exposing counts for smaller packs.
Target Audience
Herbal shops, coffee roasters, tea/spices, supplements, bulk food retailers selling by weight.
Competitive Landscape
Connected Inventory (InsCoder), Trunk Inventory, Sumtracker, Simple Bundles & Kits (Freshly), Bundler (partial)
Implementation Notes
Create a master 'bulk' inventory entity per location. On updates/orders, recalc per-variant available units = floor(bulk_remaining/variant_size) and write to InventoryLevels; hide/show variants via status or tags. Add atomic locking to prevent race conditions, cart-reservation windows to reduce oversell risk, and compatibility with multi-location and Markets. Provide UI to configure sizes and conversion units.
Evidence from Merchants
Real quotes from Shopify community forums
"I am looking for weight based app to run my shopify inventory. Tried many so far and non work way I need it."
"I do not want create separate auction here for each variant."
"I spend last few weeks trying so many app and non was working way I ned."
Key Pain Points
Inability to manage inventory based on weight, leading to manual adjustments and potential sales loss.
criticalMentioned by 1 merchants
Impact: Potential loss of sales due to unavailable product variants
Market Metrics
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