Jason, The benchmark in Pinellas/Hillsborough, etc. is right around 10% per anti-trust laws, there is not, nor will there ever be a "standard".Our fees are a $250 advertising fee to procure a tenant, a $100 document fee to sign a lease, and 10% of what we collect with a $75/mo. minimum (i.e. if you have a $500/mo. property, it's flat $75 when we collect.

The realtor procured an accepted offer.

Alternatively, you can buy a home security yard sign and, perhaps, a faux security camera off eBay.My house is secured by two ADT yard signs procured from someone who used to sell security systems for a living.  

If the market is as hot as you claim, people will pay the fees to procure housing  

OR Should I procure a hard money pre-approval and go hunt for the deal?

Also @Anson Young he did mention it might be difficult to procure an accredited investor, or that we would need to build some experience first.  

It enables you to compare the return on this investment vs the return you get elsewhere (stocks, other RE properties, etc)I am trying to decide whether its a good investment or whether I should rather sell it.In your opinion what would be a deciding factor to determine if its a good/profitable rental house?

It's do-able, but sometimes paying a few extra percentage points on the hard money is worth the ease or procurement.

She can get a non citizen loan either with ITEN if she has one or with a lender who will lend to intl clients. 

I was looking into it on GroundFloor looks like a good way to make money on your money while procuring more funds elsewhere thanks for the tip.