Does RS give you a property manager or can you choose your own? 

@Immanuel Sibero wouldn't cap rate be an indicator as to which you should choose for a particular property either to sell or to refinance, in that way it is a level playing field that does not depend on how much equity there is in the property.

I have read in Brandon Turner's Rental Property Investing book of his technique of giving multiple offers on the same home for the seller to choose from.

Choosing to go FHA vs Conventional is more important than most think.

Do this four or five times and you'll never have to work again if you choose.

Most tenants served a notice for longer than 7 days do not know this BUT can fight it in court if they choose to. 

I will give you the tips and tricks for purchasing your first rental property (if this is the avenue you choose to go with).

Essentially if you move because of a PCS instead of 2 out of 5, you can get a 2 out of 15.These quotes are straight from the IRS, if you go to the link they have some examples too.Service, Intelligence, and Peace Corps personnel.If you or your spouse are a member of the Uniformed Services or the Foreign Service, or an employee of the intelligence community in the United States, you may choose to suspend the 5-year test period for ownership and residence when you’re on qualified official extended duty.

Which way should I choose?

They could use an agent to rent it out and whatever commission they choose could be offered.