Bear in mind my previous comment about the difference between the two.

And you would pay potentially ordnary income tax on the commission.the time to consider this is if you are having a down year or have some pent up losses you can bring to bear. 

@David ManshooryHey David,I'm always happy to share with someone bearing such a powerful name as yourself.I don't use any websites for buying or any turnkey companies.  

As common as an interest bearing bank account or Certificate of Deposit?

I'm holding on to these properties largely because I'm so tired, I cannot bear the stress of selling at this point.  

Bear with this long existential post, and here it goes.I'm a 30 odd year old human who bought a few properties in the sub 3% era these past few years.

And failing that, the landlord must bear the costs of removing the alleged perpetrator (assuming rent is not paid) repair any damages, and start all over again.   

In your situation, you can of course "use" an agent to gather market information but bear in mind that that information might be biased so you need to do your own analysis and corroborate the info.

Who is bearing the risk of loss? 

And bear in mind that to get a good Contractor to go work on your properties, you will have to pay a premium.