They are actively managing their properties, do their own recordkeeping at least once per quarter if not more often and are ready to go with reports and back up very quickly at the end of the year. 

Then based on @Michael Baum's suggestion, I think I will have my cleaner and/or maintenance person do monthly/quarterly maintenance like using using enzyme based cleaners, grease fighting drain treatments and hot water flushing. 

True although the fires this year just adds to the reasons to leave California (excessive taxation and regulation, overbearing political correctness, downtowns littered with feces, etc.).

Most platforms will update their data quarterly some of these other ones may take longer which is where the discrepancies come from.

In my opinion, the US and the UAE have agreements to avoid double taxation, so there should not be any additional costs in Dubai.

@Hansen TongI recommend finding an accountant that specializes in real estate taxation.

I took the time to check out his site as i was curious.. and its a mastermind.. what i think could add value is that the frequency is there to keep someone on track.. the mastermind i went to is just quarterly then you hook up on facebook and facebook is basically showing all the members and their wives on the latest and greatest world trip they took or the building they just bought.. not a lot of real help for someone trying to get from here to there.. i think in that group most of them had on going business's like myself and there is fine tuning being done IE how to run a staff how to implimnet VA's how to run your sales crews .. other types of marketing ideas and tips.. this one looked to be not quite as real estate centric but I could be wrong as he had to add in passive income which of course is the buzz word for most who think that is what is going to create a better life for them ..  

Make sure your financial advisor understands real estate taxation, financial planning and tax planning. 

My Team hosts 12+ Free meetups each quarter in Massachusetts, New Hampshire, and Maine, under the name Simplified Real Estate Meetups.

If the number is in fact 10% I would not change that number in your calculations.These numbers on vacancies change quarterly, so your numbers should reflect the changes.