What interest rate range do you typically offer? 

If you're doing a HELOC for a downpayment that is essentially a red flag - 75k is a sizable downpayment as well.

Huge tourist presence, but the population on the books is around 6,000 and its a no go at the zip code to most...Typically, your best best in rural areas is going to local banks or credit unions. 

Essentially your listing basically states, don't come here unless you are a family with 18 kids.

The agent should also fill them in on the current market conditions and a brief history recap of the market.Then guide them through the buyers process and explain any docs/contracts the buyer will be using.Big popular teams are fine.They will typically have you work with newbie agents they use for buyers.

If the heater is working ok, I typically then just tell the tenant they'll have to install window units for air.

Bridges are short term, typically 6-18 months. 

You will later print out and sign a Certificate of Rental Suitability that is essentially an affadavit stating that your property is suitable for occupancy.

Providing something unique in a very competitive environment is essential Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

I own a 4 plex, 1 single home, 3 x Duplexes , the good properties in good shape typically fly off when they go for sale literally in one day, usually ones you see on market are ones need quite bit work to get them to rent.