Glossary

Cash flow is what is left after rent comes in and the property pays its bills. For a rental owner, that usually means rent minus the mortgage payment, taxes, insurance, repairs, vacancy, and management. Positive cash flow means the property is putting money in your pocket. Negative cash flow means you are feeding it. The mistake is looking only at rent minus mortgage and pretending the rest does not exist.

Cash flow after tax is what the property produces after tax effects are included. It goes past simple rent, expenses, and loan payments, and looks at the impact of taxes, including things like depreciation. This matters because two rentals can look the same before tax and look very different after tax. For rental owners, the after-tax number is often closer to the money that actually matters.

Net operating income, or NOI, is what a property earns after vacancy and operating expenses, but before the loan payment, depreciation, and income taxes. It shows how the property performs on its own, separate from how it is financed. NOI is the number behind cap rate and debt service coverage. If NOI is wrong, a lot of the other numbers will be wrong too.

Cap rate is a property's net operating income divided by its value. A property with $12,000 of NOI and a $200,000 value has a 6% cap rate. It is useful because it compares properties before financing. But it is not your actual return. It does not include your loan, your tax position, or your cash invested.

Cash-on-cash return measures the cash flow you earn compared with the cash you put into the deal. If you invested $40,000 and the property produces $4,000 a year, that is a 10% cash-on-cash return. It is useful because it shows how your actual invested cash is working. The mistake is using a clean first-year number and ignoring repairs, vacancy, and future capital needs.

Return on equity measures what your property or portfolio earns compared with the equity you have tied up in it. This becomes more important as properties appreciate and loans pay down. A property may have looked great when you bought it, but ten years later it may have a lot of equity producing a weak return. ROE helps show whether your equity is still working or just sitting there.

Internal rate of return, or IRR, measures the annualized return over the full life of an investment. It includes cash flow along the way and the eventual sale at the end. That makes it useful for comparing hold, sell, refinance, and reinvest decisions. It is more complete than looking at one year of cash flow, but it also depends heavily on the assumptions used.

Gross rent multiplier, or GRM, compares a property's price to its gross annual rent. A $200,000 property that rents for $24,000 a year has a GRM of about 8.3. It is a quick screen, not a full analysis. It ignores expenses, debt, taxes, and repairs, so it should never be the final answer.

Loan-to-value, or LTV, compares the loan balance to the property value. A $150,000 loan on a $200,000 property is 75% LTV. Lower LTV means more equity and more cushion. Higher LTV means more leverage and less room if values fall. LTV also affects how much equity you may be able to pull out in a refinance.

Debt service coverage ratio, or DSCR, measures whether a property earns enough to cover its loan payments. You calculate it by dividing NOI by annual debt service. If a property has $12,000 of NOI and $10,000 of annual debt service, the DSCR is 1.20. Above 1.0 means the property covers its debt. Below 1.0 means it does not. Lenders care about this number, and rental owners should too.

Debt service is the total loan payment over a period of time, usually one year. For most rental analysis, it means principal and interest. Debt service matters because it affects cash flow and DSCR. A lower interest rate, longer term, or interest-only period can change debt service even when the loan amount looks similar.

A cash-out refinance replaces an existing loan with a larger loan and gives the owner the difference in cash. Rental owners use it to pull equity out without selling the property. That cash may be used for another purchase, repairs, reserves, or other portfolio needs. The tradeoff is simple: more debt, a larger payment, and more leverage. The question is not just how much cash you can pull out. The question is whether the property and the portfolio still work after the new loan.

Amortization is the way a loan pays down over time. Early in the loan, more of the payment goes to interest. Later, more goes to principal. That means equity from loan paydown builds slowly at first and faster later. It also explains why long-term interest cost can be much higher than owners expect.

Debt yield compares a property's NOI to the loan amount. A property with $20,000 of NOI and a $200,000 loan has a 10% debt yield. It is more of a lender metric than a normal rental owner metric, but it is useful because it looks at the property's income compared with the debt on it. It is another way to see how safe or stretched the loan may be.

An interest-only loan lets the borrower pay only interest for a period of time. The payment is lower during that period because no principal is being paid down. That can help cash flow early, but the loan balance does not shrink. When the interest-only period ends, the payment can jump. It is a tool, but it has a clock on it.

An adjustable-rate mortgage, or ARM, has an interest rate that can change after an initial fixed period. The early payment may be lower than a fixed-rate loan, but the payment can rise when the rate adjusts. For rental property, the risk is not just the rate. It is what the new payment does to cash flow, DSCR, and the whole portfolio.

Equity is the difference between what a property is worth and what you owe on it. A $250,000 property with a $150,000 loan has $100,000 of equity. Equity grows when the property appreciates or the loan pays down. It is part of your net worth, but it is not automatically productive. Equity can sit idle if it is not producing enough return.

Appreciation is the increase in property value over time. It can come from the market, improvements, rent growth, or a stronger area. Appreciation is one of the biggest reasons rental owners build wealth, but it is also an assumption. You can model it, but you cannot guarantee it.

Cost basis is generally what you paid for the property, plus certain purchase costs and improvements, adjusted over time. It matters because it affects depreciation and taxable gain when you sell. Cost basis is not the same as current value. Mixing those up can make the tax side of a sale look better than it really is.

After-repair value, or ARV, is what a property is expected to be worth after renovations are complete. It is especially important in BRRRR and rehab deals because it affects refinance value and exit value. The danger is being too optimistic. If the ARV is wrong, the whole deal can be wrong.

Depreciation is a tax deduction that lets rental owners write off the building portion of a property over time. Residential rental property is generally depreciated over 27.5 years. Land is not depreciable. Depreciation can reduce taxable rental income even though it is not a cash expense. That is one reason after-tax cash flow can look different from simple cash flow.

Depreciation recapture is the tax that can show up when you sell a rental property after claiming depreciation. The deduction helped you while you owned the property, but part of that benefit may be taxed back when you sell. This is one of the most commonly missed costs in a sell-versus-hold decision. A sale price can look good until recapture and capital gains are included.

A suspended passive loss is a rental loss that could not be used in the current year because of passive activity loss rules. Instead of disappearing, it carries forward. Those losses may become useful later, often when there is passive income or when the property is sold. This can change the after-tax picture of a sale or hold decision.

A 1031 exchange may let an investor sell one investment property and buy another qualifying property while deferring certain taxes. It can keep more capital working, but the rules and deadlines are strict. A 1031 is not the same as avoiding tax forever. It is usually a deferral. Rental owners should involve a qualified intermediary and CPA early if they are considering one.

Capital gains are the profit from selling a property for more than your adjusted basis. For rental owners, capital gains are one of the main tax costs of selling. They are separate from depreciation recapture, which is why both need to be considered. A sell-versus-hold comparison is not honest if it only looks at the sale price and ignores the tax bill.

Passive activity loss rules limit how certain rental losses can be used against other income. Many rental losses are considered passive, and depending on the owner's income and situation, those losses may be limited and carried forward. This is why suspended passive losses exist. The rules are situation-specific, so this is CPA territory.

Boot is value received in a 1031 exchange that does not qualify for tax deferral. It can be cash kept from the sale, debt that is not replaced, or other non-like-kind value. Boot may create taxable income even when the exchange mostly works. It is one of the reasons a 1031 exchange needs to be planned carefully.

A replacement property is the property purchased in a 1031 exchange after the original property is sold. The replacement property has to meet strict rules and deadlines for the exchange to work. The point is not just to buy anything in time. The point is to move equity into a property that actually fits the portfolio better.

BRRRR stands for Buy, Rehab, Rent, Refinance, Repeat. The idea is to buy a property, improve it, rent it, refinance based on the improved value, and then use the recovered capital for the next deal. It can work well when the rehab budget, rent, value, and refinance all line up. It can also fail quickly when the after-repair value is too high, the rehab runs over, or the refinance does not return enough cash.

Buy and hold means buying rental property and keeping it long term for income, appreciation, and loan paydown. It is the foundation of most rental portfolios. The strategy sounds simple, but the details matter. A property can be fine to hold for one owner and wrong for another depending on debt, equity, cash flow, taxes, and goals.

Sell vs hold is the decision to keep a rental property or sell it and use the equity somewhere else. The hard part is that both sides have hidden costs. Holding can mean trapped equity, weak return, repairs, and management headaches. Selling can mean taxes, depreciation recapture, transaction costs, and lost future income. The real comparison is after-tax and portfolio-level, not just what you can sell it for.

Vacancy rate is the amount of time a property is empty and not producing rent. If a property is vacant one month per year, that is about an 8.3% vacancy rate. Ignoring vacancy is one of the easiest ways to overstate cash flow. Even good rentals need a realistic vacancy assumption.

Operating expenses are the normal costs of running a rental property. They include things like property taxes, insurance, repairs, maintenance, management, utilities paid by the owner, and other day-to-day costs. They do not include the mortgage payment or major capital projects. Operating expenses are what turn gross rent into NOI.

Capital expenditures, or CapEx, are large property costs that do not happen every month but eventually show up. Roofs, HVAC systems, water heaters, major flooring, and large replacements are common examples. A property can look cash-flow positive until a major replacement hits. That is why many owners set aside money for CapEx even when nothing is broken today.

Rent-to-value ratio compares monthly rent to property value or purchase price. A property renting for $1,500 per month with a $150,000 value has a 1% rent-to-value ratio. It is useful as a fast screen, but it does not include expenses, debt, taxes, repairs, or the neighborhood. It can help you decide what to look at, but not what to buy.

The one percent rule says a rental property's monthly rent should be about 1% of the purchase price. A $200,000 property would need about $2,000 per month in rent to meet the rule. It is only a shortcut. Some good rentals fail it, and some bad rentals pass it. It should be treated as a quick filter, not an investment decision.

Equity redeployment means moving equity from one use to another. That could mean selling a property, doing a cash-out refinance, buying a better-fitting property, paying down debt, or funding another move. The point is to ask whether the equity in a property is still doing enough work. A property with a lot of equity is not automatically strong if that equity is producing a weak return.

The NovarifIQ Score is a 0 to 100 read on the overall quality of a rental portfolio. It is designed to help an owner see whether the portfolio appears stronger or weaker as properties, assumptions, and modeled decisions change. It is not a prediction, and it is not investment advice. It is a way to put the whole portfolio into one clearer view so the owner can compare decisions more consistently.