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Updated about 10 years ago on . Most recent reply

50%/2% rules do not lead to wealth?
I joined BP not long ago and learned about the 50% rule and 2% rule. Perhaps I don't understand these rules completely?.. Intrigued I sat down today to crunch some numbers:
Assumptions:
Expenses = rent*.5
rent = .02 * value of property
Debt Service (5% for 30 years assuming 25% down) = .2013 cents per dollar (constant amount)
Math:
per $1 of rent, expenses = $0.7013
$1 - .7013 = .2987 income per dollar of rent
I want to earn 100k/year on rental income
(X rent)*.2987 = 100,000
100,000/.2987 = $334,784 rent income per year to give me 100k income
Rents are 2% of value..so 334784 * 50 = $16,739,203 in real estate required to produce these rents
Down payment on all this property = 16739203*.25 = $4,184,800 cash required to purchase these
100k return for 4,184,800 invested = .02389 = 2.39% return.
Assuming 2% REAL appreciation (5% nominal - 2-3% assumed inflation)
Real Return = 4.39%
These rules suggest I need 4 mil in cash before I can retire with my goal income and the rate of return looks terrible. Stocks suddenly look amazing. Where am I going wrong? Is my math wrong or am I not understanding the rules?
Most Popular Reply

Your math is wrong (I didn't dig in to find out where, but based on your results, it must be)...
Think of it this way (without even having to use a calculator):
If you're getting 2% of the purchase price per month and are spending 50% of that on expenses, that's 1% of the purchase price per month in cash flow. 1% of purchase price per month in cash flow is 12% of purchase price per year in cash flow, or a 12% cash-on-cash return.
So, to generate $100K in income, you'd need to invest $X at a 12% return -- solve for $X and you get about $833K. In other words, without leverage, to generate $100K per year on a property that hits the 2% and 50% rules, you'd need to invest $833K of your own cash.
Now, if you add in positive leverage, you can expect that cash infusion to drop...let's do the math:
You assumed 25% down, 5% interest fixed for 30 years. That gives the 2%/50% property a cash on cash return of about 28.7% (I plugged it into a spreadsheet). Again, solve for $X at a 29% return, and you get an X that equals $349K.
So, if you leverage based on your parameters, you'd need less than $350K to hit your $100K pre-tax income goal.