February 23, 2024

How Many Properties Do You Need To Retire?


Before discussing how to calculate the number of properties needed to replace your current income, understand that retirement is not a one-time event. Retirement requires rental income that will enable you to maintain your current standard of living for the rest of your life.

How Many Properties Do You Need?

If there is no inflation, the number of properties you need to replace your current income is easy to calculate. For example, if your current income is $9,000 per month and each rental property nets $300 per month, you need 30 properties ($9,000/$300 = 30 properties).

However, the reality is that there will be inflation. For the following example, I will assume that the average inflation will be 5% and the rent growth rate will be 2%. Under these conditions, how will your future rental income compare to the buying power of $9,000 today?

I will calculate the present value (inflation-adjusted) buying power in years five, 10, and 15 using this formula:

  • FV = PV x (1 + r)^n / (1 + R)^n

Where:

  • R: Annual inflation rate %
  • r: Annual appreciation or rent growth %
  • N: The number of years into the future
  • PV: The rent or price today
  • FV: The future value in today’s dollar value

Calculating the future buying power:

  • After five years: $9,000 x (1 + 2%)^5 / (1 + 5%)^5 = $7,786.
  • After 10 years: $9,000 x (1 + 2%)^10 / (1 + 5%)^10 = $6,735.
  • After 15 years: $9,000 x (1 + 2%)^15 / (1 + 5%)^15 = $5,826.

Since rents don’t keep up with inflation, your purchasing power will decrease over time, forcing you back into the job market.

But what if you invest in a location where rents increase faster than inflation? For example, suppose you buy in a city where rents rise 7% and inflation is 5%. How will future rental income compare to the buying power of $9,000 today?

  • After five years: $9,000 x (1 + 7%)^5 / (1 + 5%)^5 = $9,890
  • After 10 years: $9,000 x (1 + 7%)^10 / (1 + 5%)^10 = $10,869
  • After 15 years: $9,000 x (1 + 7%)^15 / (1 + 5%)^15 = $11,944

Because rents increase faster than inflation, you’ll have the additional income required to cover rising costs in the future. This will enable you to maintain your current standard of living.

The next question to address is: How much cash from your savings will be needed for the down payment on 30 properties?

It Depends on Appreciation

Suppose you buy property in a city with low prices. Prices are low because of limited demand over several previous years. I will assume that each property costs $200,000, and you will have a 25% down payment. 

The cash from your savings for the down payments on 30 properties will be:

  • 30 properties x ($200,000 x 25%)/Property = $1,500,000

Accumulating $1.5 million in after-tax savings will be challenging for most. However, there is a way to acquire 30 properties at only a fraction of the capital.

Suppose you buy in a city with significant, sustained population growth, which resulted in rapid appreciation. In the following example, I will assume an average appreciation rate of 7% and that each property costs $400,000 due to higher demand. 

Assuming a 25% down payment, the cash from your savings for the first property will be:

  • $400,000 x 25% = $100,000

Because the value of the property is rapidly increasing, you can use a cash-out refinance for the down payment on your next property. For example, assume the appreciation rate is 7%, you will use a 75% cash-out refinance, and the current mortgage payoff is $300,000. How many years will it take to have net proceeds of $100,000? 

The formula I will use is:

Net Cash = PV x (1 + r)^n – mortgage payoff

  • After year 1: $400,000 x (1 + 7%)^1 x 75% – $300,000 = $21,000
  • After year 2: $400,000 x (1 + 7%)^2 x 75% – $300,000 = $43,470
  • After year 3: $400,000 x (1 + 7%)^3 x 75% – $300,000 = $67,513
  • After year 4: $400,000 x (1 + 7%)^4 x 75% – $300,000 = $93,239
  • After year 5: $400,000 x (1 + 7%)^5 x 75% – $300,000 = $120,766

So, after about five years, the net proceeds will be enough for the down payment on the next property. Growing your portfolio using a cash-out refinance greatly reduces the amount you pull from your savings.

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