As a reminder for any other readers, the 50% rule applies to gross rents and accounts for all expenses like management fees, taxes, insurance, vacancy, maintenance, Capex, utilities, water, legal, yard, etc..You should only use the 50% rule for a quick analysis and a true historical picture of expenses on a property is preferred.

Insurance costs vary widely in the Keys depending on location and type of construction.

As landlord, I didn't have any additional insurance. 

Hopefully her insurance allowed for some forced appreciation through new renovations.

Your insurance number looks a little low, especially if it includes flood insurance.Do you have any local government inspection costs?

Bourn Companies will be developing a new 200,000 sqft office space for the national insurance company.[3] New Shopping Center in Central Tucson- 10,000 SqFt retail and restaurant space coming to central Tucson.

I got it all cleaned up (special crime scene clean up is expensive thank God for insurance) and was terrified it would not rent and that the neighbors would run off any prospective tenants with the story.

Here's what it looks like:Purchase price = $300kRental income = 4 x 1bd/1ba @ $500 , 2 x 2bd/1ba @ $650 = $3300, seller thinks  1bd's can go up to $700 and market research supports that Taxes = $200/monthEstimated expenses = 1300/month (10% each for vacancy, CAPEX, and repairs and $200/month for insurance)NOI = $23k at lower rents, $33k at higher rentsCash flow = $500 at lower rents, $1300 at high rentsThe property is in a C neighborhood that is gentrifying.

I just got approved on owner-occupied mortgage on a triplex and bought same type of hazardous/fire insurance.

Was wondering if anyone can suggest a good insurance company.