During the election, Florida also voted to require a 2/3 majority vote on any tax or fee increase proposed.

What would my up front cost be for the trailer installation?

You then use the LLC for all transacting and are not hampered by the paperwork, delays and per-transaction fees of the custodian. 

The finance numbers are based on a 6 month loan from a HML at 12.25% with 3.99% origination fees.

I have caution with condo's, as the maintenance needs to be factored in and you are at the mercy of assessments and rising maintenance fees, which can significantly eat away at any cash flow you may have.

Later I learned he installed an old water heater and removed the year of manufacturing off of it and told me I need a new boiler when I didn't. 

Not to sounds offensive, but everyone's time is valuable.If you are a buyer, you typically don't pay anything to the agent, unless they charge any retainer fee.

You will need to confirm with local building dept if you will need continuous insulation. 1) remove siding and install sheathing with insulation adhered to it. 

After all the fees, he won't lose money at $470k) and held firm. 

In the alternative, they think they won't be able to get it, they will be turned down as a tenant, will have wasted the application fee and one more person in the world will think of them as a loser.