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March 24, 2026 Nguyễn Mạnh Tường

Portfolio Management: Stop Letting 'Dogs' Eat Your 'Stars'

Hard-earned lessons from 20 years of ERP implementation: How to purge your product and asset portfolio for maximum cash flow.

Portfolio Management: Stop Letting 'Dogs' Eat Your 'Stars'

After more than two decades of navigating the complexities of ERP and SCM systems for major corporations, I’ve realized a brutal truth: The biggest mistake a manager can make isn’t failing to have a good product—it’s holding onto too many bad ones.

In system administration, we call this data junk. In business, these are the “Dogs” silently consuming the resources of your “Stars.” Whether you are running a distribution business via DMS or managing a personal real estate portfolio, the mindset of Optimization must come first.

1. Identifying the “Silent Killers” in Your Portfolio

Many business owners fall into the emotional trap. They keep an old product line because “it was our first success.” They hold onto a stagnant plot of land because of the “sunk cost fallacy.”

“In management, emotion is the largest hidden cost. If the data says it’s dying, let it go.”

Here is the practical classification table I use when restructuring portfolios for clients:

BCG GroupCharacteristicsDecisive Action
StarsHigh market share, high growth, capital intensive but highly profitable.Reinvest maximum resources, protect at all costs.
Cash CowsSlow growth but extremely stable cash flow.Harvest efficiently, use funds to fuel Stars.
Question MarksHigh potential but uncertain, high risk.Fast-track testing, cut losses quickly if they fail.
DogsLow share, negative growth, high operational drain.Liquidate immediately.

2. From ERP to Real Estate and Insurance

When I transitioned into financial and real estate consulting, I applied the exact Risk Management filters from enterprise systems to personal assets.

  • In Insurance: Many people hold old policies with low benefits but high premiums (Dogs). Instead of regretting the paid premiums, boldly restructure into modern investment-linked products with better performance (Stars).
  • In Real Estate: A townhouse yielding 2% rental return while your loan interest is 10% is a classic “Dog.” Don’t wait for a market recovery in vain. Liquidate to consolidate capital into assets with higher liquidity and appreciation potential.

3. Real-World Insight

I once consulted for a major consumer goods distributor in Northern Vietnam with over 500 SKUs. After running a DMS analysis, we discovered that 80% of profits came from just 20 SKUs. The remaining 300 SKUs were true “Dogs”: stale inventory, wasting warehouse space, and draining sales efforts for zero returns.

My decision was firm: Kill those 300 SKUs within 30 days. The result? Operating costs dropped by 25%, working capital surged, and the team focused entirely on turning those 20 core SKUs into “Superstars.”

Closing Thoughts for Day 48

Portfolio management isn’t about adding more; it’s about having the courage to subtract. If you aren’t brave enough to cut what’s dragging you down, you’ll never have the resources to soar with new opportunities.

Audit your portfolio today. Which “Dog” do you need to say goodbye to?