4 Million AED - real estate

I have 4 Million to spend on real estate.

While reading on this forum for the past couple of years, and meeting people in the UAE, I see there's a lot of people with differing opinions and expertise in this field.

Basically, I would like to get close to a 7% ROI on a yearly basis - including maintenance costs and any other costs. What would you recommend or how would you go about it?

Multiple unites for 1M to 1.5M AED, or get one villa for 4M.