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Equity & Wealth
6-Month Reserves
Two-Input Ratio Reserves Risk Assessment Operating Expenses

One Month of Reserves

Monthly amount needed for one month of operating expenses, debt service, and PMI.

Example Result

Sample Data
$3,043

Based on a sample $385,000 property with $2,850/month rent, 20% down, 7% interest rate.

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One Month of Reserves Formula

Monthly (Total Operating Expenses + Debt Service + PMI) ÷ 12 $3,043/mo
Annual Total Operating Expenses + Debt Service + PMI $36,513/yr

What This Means

A sample property priced at $385,000 with $2,850/month rent has a one month of reserves of $3,043 at Purchase (Month 0). Lenders often require 6-12 months of reserves when qualifying you for an investment property loan. This calculation tells you exactly what one month costs so you can plan your reserve fund. Having adequate reserves prevents forced sales during vacancies or unexpected repairs.

Where This Value Comes From

One Month of Reserves is not entered directly — it is calculated from Total Expenses, Debt Service, and Monthly PMI. See the formula breakdown above and the detailed inputs below.

Inputs That Determine One Month of Reserves

Calculations That Use One Month of Reserves

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Why It Matters

Lenders often require 6-12 months of reserves when qualifying you for an investment property loan. This calculation tells you exactly what one month costs so you can plan your reserve fund. Having adequate reserves prevents forced sales during vacancies or unexpected repairs.

Detailed Explanation

One Month of Reserves calculates the total monthly obligation for your property: operating expenses, mortgage payment, and PMI combined, divided by 12 to get the monthly figure. This is the base unit for calculating how much cash you need in reserve.

Example

Sample Result
$2,820

Based on a sample $385,000 property with $2,850/month rent, 20% down, 7% interest rate.

Related Calculations

6-Month Reserves

U

Six months of operating reserves: enough to cover expenses, debt service, and PMI for half a year.

$18,257 Example

+R6 Months of Reserves

1

Number of months in the conservative reserve scenario (6 months).

6.00 Example

+R6 Rate of Return

1

Expected annual return on a 6-month reserve fund (1% — savings account).

1.00% Example

+R6 Return in Dollars

2

Annual dollar return earned on a 6-month reserve fund at 1%.

$183 Example

+R6 Reserves + Total Invested

2

Total capital deployed including both the property investment and 6-month reserves.

$88,733 Example

+R12 Months of Reserves

1

Number of months in the aggressive reserve scenario (12 months).

12.00 Example

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