One of the most overlooked aspects of real estate investing isn't the deal itself, it's the defense behind the deal.

Strong portfolios aren't built on leverage alone; they're protected by reserves.

Here are my five that every serious investor should keep in place:

1️⃣ Capital Expenditure (CapEx) Reserve
For roofs, HVAC systems, and major replacements.
Allocate 3–5% of gross rents annually to protect against large capital shocks.

2️⃣ Operating Reserve (Cash Flow Buffer)
Maintain 3–6 months of operating expenses to weather vacancies, late rents, or maintenance surges.
Liquidity is protection.

3️⃣ Legal & Liability Reserve
Set aside 1–2% of NOI (or double your insurance deductible) for legal fees, compliance costs, or unexpected disputes.

4️⃣ Tax & Insurance Reserve
Fund 100% of your next property tax bill and annual premiums upfront.
Never allow a coverage lapse or tax delinquency to jeopardize an asset.

5️⃣ Opportunity or Reinvestment Reserve
Keep 5–10% of equity value liquid to seize new deals or reinvest in value-add projects.

What other reserves would you add to this list?