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What does it take to become a freelance rental property manager in Florida?

hi! I want to become a freelance rental property manager on the Florida panhandle. Basically I will rent peoples' condos and beach houses out for them, make sure they are clean, and arrange maintenance and things like that.
Does anyone know:
How/what percentage I get paid (ie 10% of the rental rate or cleaning fees, etc)?
Do I need any additional certificates (I have a BA in Bus Admin/Marketing)?
What laws go along with this?
Will the renter pay me directly then I pay the owner or vice-versa?
ANY INFO OR HELP WILL BE GREATLY APPRECIATED!
THANK YOU!