Crestmont Capital Blog

When a Loan Makes More Sense Than Using Cash Reserves

Written by Mariela Merino | October 24, 2025

When a Loan Makes More Sense Than Using Cash Reserves

Deciding when a loan makes more sense than using cash reserves is one of the most important financial choices individuals and business owners face. The right decision can protect your liquidity, optimize investments, and keep your long-term financial goals on track.

In this guide, we’ll explore exactly when a loan is the smarter move, when to stick with cash, and how to analyze your situation step-by-step.

Why “Paying Cash” Isn’t Always the Best Option

Most of us grow up hearing that debt is bad and paying in cash is always better. But in financial planning, that’s not always true.

Opportunity Cost of Using Cash

When you spend your cash reserves, you give up the chance to use that money elsewhere—like investing, building your emergency fund, or earning compound returns.

Debt Isn’t Always Bad

Good debt—used for appreciating assets or business growth—can actually build wealth.
If your investments earn a higher return than the interest on a loan, borrowing can preserve liquidity and improve long-term gains. 

Liquidity and Risk

Depleting cash reserves can leave you vulnerable to unexpected emergencies.

Key Factors to Evaluate Before Choosing

1. Interest Rate vs. Expected Return

Compare your loan interest rate with your potential investment return.
If your expected return exceeds your borrowing cost, a loan may make sense.
Example: borrow at 5 %, invest at 7 % → net positive spread. 

2. Emergency Fund and Liquidity

Ask yourself: after paying with cash, will you still have a comfortable safety net?
If not, borrowing protects your emergency fund.

3. Type of Purchase or Asset

Borrowing to acquire appreciating or income-producing assets (like property, equipment, or education) often makes sense.
Using loans for depreciating goods (like luxury cars) generally doesn’t.

4. Opportunity Cost of Cash

Keeping cash allows flexibility for future opportunities, business expansion, or emergencies. Once it’s spent, that opportunity is gone.

5. Taxes and Depreciation

Sometimes, loan interest is tax-deductible, or paying cash may trigger capital gains if you must sell investments.
Always factor in tax effects. 

6. Market Conditions

During low-interest periods, borrowing is cheaper and often smarter.
points out that low-rate environments favor borrowing and keeping cash invested.

7. Your Credit and Debt Load

If you have good credit and manageable debt, you can leverage loans effectively.
If your debt is already high, preserving cash might be wiser.

When a Loan Makes More Sense Than Using Cash Reserves

Below are situations where borrowing is the more strategic choice.

Scenario A – Low Interest Loan + Higher Cash Returns

If your investments yield higher returns than your loan rate, using a loan preserves wealth and flexibility.

Scenario B – Protecting Your Emergency Fund

Don’t drain your emergency savings. Use a loan to maintain your financial safety net.

Scenario C – Upcoming Opportunity or Expansion

Expecting a new business or real-estate opportunity? Borrow now to preserve liquidity for that investment.

Scenario D – Purchasing an Income-Producing or Appreciating Asset

Loans are justified when they fund assets that increase in value or generate revenue (property, business assets, education).

Scenario E – Avoiding Tax Penalties or Losses

If cashing out investments triggers taxes or losses, taking a loan avoids those costs.

Scenario F – Building or Improving Credit

Strategic borrowing can help individuals or small businesses establish a positive credit profile.

When Using Cash Reserves Is the Better Option

There are still times when paying with cash is the clear winner.

High Loan Interest Rates

If borrowing costs are steep, paying in cash avoids excess interest expenses.

Depreciating Purchases

If what you’re buying loses value quickly (like a car), cash avoids interest on something that won’t appreciate.

Excess Cash with No Other Purpose

If you have a large surplus and stable income, using cash can simplify your finances.

Risk-Aversion and Peace of Mind

If being debt-free helps you sleep better, that peace of mind has value. 

Market Downturns

If selling investments would lock in losses, cash might be better — or simply wait to borrow later.

Step-by-Step Decision Checklist

Use this checklist to evaluate when a loan makes more sense than using cash reserves:

  1. Determine total purchase cost.

  2. Assess current cash reserves.

  3. Review emergency fund balance.

  4. Get current loan rate offers.

  5. Estimate expected return on cash/investments.

  6. Compare interest vs. opportunity cost.

  7. Evaluate tax implications.

  8. Consider the type of purchase.

  9. Check your debt-to-income ratio.

  10. Review credit score & borrowing terms.

  11. Decide based on flexibility and long-term goals.

Real-World Examples

Example 1 – Home Renovation

You have $80 k in savings, renovation costs $50 k, and you can borrow at 5 %.
Your investments earn 7 %.
Verdict: Borrowing maintains liquidity and earns a net gain — loan makes sense.

Example 2 – Small Business Equipment

Equipment costs $30 k; loan rate 6 %; business ROI 12 %.
Verdict: Financing preserves cash for future growth — loan wins.

Example 3 – Vehicle Purchase

Car costs $20 k; loan rate 8 %; depreciates 20 % in one year.
Verdict: Using cash avoids high interest and asset loss — cash wins.

Common Mistakes to Avoid

  • Draining emergency funds for non-essential expenses.

  • Ignoring opportunity cost of using cash.

  • Assuming all debt is bad.

  • Not comparing interest vs. potential returns.

  • Borrowing without a repayment plan.

  • Failing to consider tax effects.


Summary and Key Takeaways

In short, a loan makes more sense than using cash reserves when:

  • Loan interest is low and investments earn more.

  • You need to preserve liquidity or your emergency fund.

  • The purchase adds long-term value or generates income.

  • Taxes, penalties, or market conditions make using cash costly.

However, using cash is better when borrowing is expensive, the purchase depreciates, or you have excess liquidity with no better use for it.

Final Thoughts 

Financial success comes from balancing liquidity, opportunity, and peace of mind.
Before deciding, compare the true cost of debt with the value of flexibility.