Bill Perkins, the author, mentioned giving his 80 yo grandma $10k. 

Get an agent complaint from the licensing authority and then you spend days, weeks, time, money fighting the complaint vs focusing on the business.Also in places like Keller Williams you can get paid profit sharing not only on the profits of the agents you personally recruit, but on their efforts as well, around the country and around the world. 

According to immigration law, I'm not authorized to work for unsponsored employer currently, which includes myself in this case if I start my business on the side.

Like a secondary authorized user that can be changed with each tenant?

Lease Agreements:Have a clear and comprehensive lease agreement.

So, anything we don't have to pay to the Dominican Republic tax authorities (the tax exemptions), we have to pay them to our home tax authorities because those exemptions don't apply.

In my not so humble opinion if the managing company will not disclose how much kickback money they get from a vendor you need to report them to the licensing authority, and demand every penny back from money they did not disclose. 

Including painting a home a brilliant yet hideous blue, and I'm not going to the authorities to complain or make a rule against it! 

He's the BP authority on this subject 

You can list your property at the local Housing Authority and I think some have an online database of rentals, but we've never used that.