Do insurance companies make money by paying out claims?

My insurance agent suggested liability umbrella over my vacation rental property, "life," and my single family long term rentals with American Alternative Insurance Corporation.  

I think they work well with the insurance claim as well. 

Personally, I'm not a big fan of TX markets due to the high property taxes and insurance rates.

Can anyone recommend a great insurance broker in Tampa Bay area who specializes in investment property?

Is there a source for the following data;  I am looking for the "norm" for the expense ratio (based on either GPR or Gross Income) for individually metered garden style apartments in the south east and the mid Atlantic (Region IV) : Marketing Insurance Janitorial Service Lawn/Snow Licenses Miscellaneous Professional Fees Accounting Legal Property Management Fees Repairs and Maintenance Resident Superintendent Salaries and Wages Supplies Taxes Real Estate Personal Property Payroll Other Trash Removal Utilities Electricity Fuel Oil Gas Sewer and Water Telephone Other (whatever I missed)

Principal, Interest, and Mortgage insurance? 

--details on income and current situation - income wise i make at least $1,000 every two weeks from my current job.i have, in my opinion a great situation, i still live with my parents however all i have to worry about is paying my phone bill and insurance while bringing in some food on the table, so im grateful for my situation so far since it allows me to save as much as i can.#1 - since i have a place to live already, would it be wise to get a duplex (or better) and just be able to rent all the rooms out?

That's assuming 10% management, 5% vacancy, 5% repairs, 5% capex, mortgage, tax and $1700 per year insurance and assuming you put 20% down so no PMI

The agent, lender, insurance agent and contractor are also important, but are (in many ways) much easier to come by.