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Manage Inventory to Free Up Cash: A Step-by-Step Guide

Why inventory ties up cash

Inventory is money sitting on shelves. Excess stock means slow sales, storage costs, and risk of spoilage or obsolescence. The goal: keep enough stock to meet demand but not so much that cash is trapped.

Quick checklist to start (do now)

  • Count fast-moving SKUs (top 20% that make 80% of sales).
  • Identify slow SKUs (no sales in last 90 days).
  • Calculate months of supply for each SKU: current units ÷ average monthly sales.
  • Highlight items with months of supply > 3 (or > 1 for perishable items).

Step 1 — Separate SKUs into three piles

Action: Create three lists: A = fast sellers, B = steady, C = slow/obsolete.

  • A items: top 20% SKUs by revenue — keep safety stock.
  • B items: middle 50% — aim for lean stock.
  • C items: bottom 30% — plan clearance or return.

Decision rule: If an SKU sold fewer than 2 units in 90 days, put it in C.

Step 2 — Set clear reorder rules

For each A/B SKU, set these numbers and automate if possible:

  • Lead time (days between order and arrival).
  • Average daily usage (units sold per day over last 90 days).
  • Safety stock = lead time × average daily usage × 25% (round up).
  • Reorder point = (lead time × average daily usage) + safety stock.

Example: Lead time 10 days, avg daily usage 2 units → safety stock = 10×2×0.25 = 5 units. Reorder point = (10×2)+5 = 25 units.

Step 3 — Reduce order frequency for slow-moving items

Action: Move C items to one of these paths:

  • Clearance sale or bundle within 30 days if carrying cost > expected margin.
  • Return to supplier if contract allows.
  • Donate or recycle when cost of storage or handling exceeds value.

Decision rule: If storage + handling per month > 10% of item’s value, clear it.

Step 4 — Negotiate with suppliers

Actions to free cash quickly:

  • Ask for longer payment terms (e.g., net 30 → net 60) for slow sellers.
  • Request smaller, more frequent shipments to lower inventory on hand.
  • Negotiate consignment for slow or seasonal items.

Example script: "Can we try a 60-day payment term for the next 3 months and smaller weekly deliveries? This helps us increase order frequency without extra stock."

Step 5 — Use promotions strategically

Actions:

  • Run targeted discounts on C items tied to minimum purchases of A items.
  • Create bundles: 1 fast seller + 1 slow seller at a small discount.
  • Limit promotion length to 2–4 weeks and track lift in sales.

Decision rule: Offer a discount up to the margin needed to clear stock but not below variable cost unless tax write-off or donation is better.

Step 6 — Improve forecasting simply

Do this weekly:

  • Use last 12 months of sales by SKU and adjust for seasonality.
  • For new SKUs, run a 6–8 week test with small orders and scale up.
  • Flag any SKU whose forecast error > 30% and review reorder policy.

Step 7 — Reduce holding costs

Actions:

  • Trim storage space: rent only what you need monthly.
  • Consolidate packaging to fit more on shelves and reduce handling time.
  • Cross-train staff to check stock weekly and fix misplacements.

Step 8 — Turn inventory into cash fast

  • Flash sale to email list for 7–14 days with clear urgency.
  • Sell slow items to liquidation buyer for quick cash if margin not critical.
  • Offer trade credit to regular customers (short-term) to move larger orders.

Simple KPIs to watch weekly

  • Days Inventory Outstanding (DIO) = (Average Inventory / Cost of Goods Sold) × 365. Goal: lower over time.
  • Inventory Turnover = COGS / Average Inventory. Higher is better; aim to improve by 10% in 3 months.
  • Months of Supply per SKU. Target: 1–3 months depending on item type.

Sample 30-day action plan

  1. Week 1: Count top SKUs, separate A/B/C, run quick clearance on 10 worst items.
  2. Week 2: Set reorder points, negotiate terms with two major suppliers.
  3. Week 3: Launch 10-day flash sale and bundle offers, reduce storage space where possible.
  4. Week 4: Review KPIs, adjust forecasts, and plan next month’s orders.

Short decision rules cheat-sheet

  • Sell or clear if no sales in 90 days.
  • Keep 1–3 months supply for non-perishables; 1 month or less for perishables.
  • If storage cost > 10% item value/month → clear or return.
  • Raise reorder point if stockouts occur twice in 60 days.

Wrap-up: How to keep momentum

Pick one small change this week: run the 90-day sales check or negotiate one supplier term. Do that, measure the cash freed, and repeat. Small, consistent steps free up cash without killing sales.