A rental property can look profitable because one number is attractive. Investors get hurt when the missing numbers are the expensive ones. Before you decide a Grand Strand property “cash flows,” run a complete first-pass analysis.
1. Realistic gross rent
Use comparable leases, actual historical performance when available, and conservative assumptions. For vacation rentals, model monthly seasonality rather than multiplying one strong month by twelve.
2. Vacancy
Every rental strategy has downtime. Long-term rentals turn over. Vacation rentals have shoulder seasons. Build vacancy into the base case.
3. Property taxes
Do not simply copy the seller’s tax bill. Ownership classification and assessment can change. Verify expected taxes for your intended ownership structure.
4. Insurance
Get a real quote for the exact address. Coastal wind, flood exposure, condo master policies and replacement cost can materially change the result.
5. HOA or regime fees
Include every recurring association charge. Also review reserve strength, pending assessments and what the association policy actually covers.
6. Management
Even if you plan to self-manage, model professional management once. It tells you whether the investment still works if your time, location or priorities change.
7. Maintenance
Routine repairs are not optional. Use a reserve based on the property’s age, systems, finish level and rental intensity.
8. Capital expenditures
Roofs, HVAC systems, water heaters, appliances, exterior work and furnishings eventually need replacement. A property can show positive monthly cash flow while quietly losing money if capital expenses are ignored.
9. Utilities and owner-paid services
Vacation rentals can include electric, water, internet, cable, pest control, pool service, landscaping and more. Long-term leases may shift some costs to the tenant. Verify the actual arrangement.
10. Debt service
Use the actual loan terms you are likely to receive—not the rate you wish you could get. Stress-test the payment at a slightly worse rate.
11. Cash invested
Your cash-on-cash return should include down payment, closing costs, immediate repairs, furnishing and other cash required to make the property operational.
12. Exit liquidity
Not every important number appears in a cap-rate formula. Ask who is likely to buy the property from you later. A property that only makes sense to one narrow investor type may be harder to exit.
Use three scenarios
Build a base case, downside case and upside case. If the investment becomes dangerous after a modest rent drop, higher insurance bill or large repair, you have learned something important before closing.