I've heard 10%-20% is the average net gain but I just want to be more clear about it. 

Another factor that works well with US investors is that the local currently AED (Dihram) is pegged to the USD at 3.67~ AED per 1 USD.For long term rentals, its on average 5-8% after the “Service Charge” reduction.

Take a look at what the average returns appear to be and set a goal for cash on cash at least.  

I average these two numbers and use that as a baseline, adding a reasonable buffer to set the threshold.This approach helps ensure that tenants don’t feel micromanaged but also protects you from excessive utility usage.

I'm sure there are agents and investors with deeper insights, but for most of us, a consistent, long-term approach—similar to dollar-cost averaging when investing in index funds—seems like the most practical strategy.That being said, I am also interested to hear what others have to say though, so thank you for the post!

In fact, we're closing on our third deal this year, average blended price of 80k a door, and blowing past the 1% rule.

My average electric bill was 420/mo.

The average currency last 37 years, this may last longer than average who knows for sure.

Real estate investing is forgiving; the average person can still make money even with some big mistakes.

Although it also depends on your projected usage and average length of stay.