There is not a secret formula of success in this city.

You can also get creative, YOU ARE LITERALY USING THE SAME FORMULA TODAY! 

What's the formula for the property tax rate for rental properties in Las Vegas?

People who sign up for his course automatically become members of the “RAND” clubs (Robert Allen Nothing Down clubs) where the emphasis is on buying real estate with “nothing” down.1979 - Wade Cook (convicted felon), Ted Thomas, Carlton Sheets, and Ed Beckley pioneer using late night infomercials to sell their books, tapes. and “complete systems” for $999 discount to $599 if “you act now”1981 - Real estate investment clubs are formed around the country following a REIA formula - many RAND clubs are merged into these REIAs1981 - Jimmy Napier, Joe Land, Ernie Kessler, and John Beck appear at REIA Clubs as featured guest speakers, selling books, tapes, etc “in the back of the room”.  1983-1995 - The guru industry is dominated by late night infomercial gurus, many trying to disguise the commercial as if they’re a guest on a talk show.  

The formula is pretty straightforward Total expenses/ total gross income = cannot exceed 50%.

I just looked at the sheet again, you must have that growth built into your formulas ( i have not downloaded it, just looking at your link) you should have a way to have a growth input %, some areas do not Appreciate like others and you should be able to adjust that.

My unique approach combines deep market analysis with a strong network of motivated sellers, ensuring you access the best deals before they hit the mainstream market.I’d love to know more about your target market areas and buying formula.

Do you have a particular formula or method you rely on to make sure the numbers add up?

Quote from @Devin James: @Jon K.The average return is not the same as an annualized return, as it ignores compounding.Your calculation takes compounding into account.https://www.investopedia.com/terms/a/averagereturn.asp#:~:text=Key%20Takeaways-,The%20average%20return%20is%20the%20simple%20mathematical%20average%20of%20a,return%2C%20as%20it%20ignores%20compounding.Links to the formula for ARR, which was the subject of your original post unless I misunderstood you.https://www.investopedia.com/terms/a/arr.asphttps://www.adventuresincre.com/glossary/average-rate-returnhttps://www.highradius.com/resources/Blog/accounting-rate-of...

You don't need a formula to borrow funds.