Since I have 'a report' that contains the three reported credit scores (the document is from a lender who pulled my credit and not the credit bureaus themselves) from an initial pre-qualification screening, I'm assuming that I can just use these when approaching other lenders for their own reference in getting pre-qualified?

It is complete with all of the time frames for documentation, inspections, and deposits and stuff, which is nice, but lots of boilerplate as well.

Are there insurance companies that offer this solely?

Guidelines from Fannie Mae:-Calculation of Reserves for Multiple Financed PropertiesIf the borrower owns other financed properties (determined in accordance with B2-2-03, Multiple Financed Properties for the Same Borrower), additional reserves must be calculated and documented for financed properties other than the subject property and the borrower’s principal residence.

Total loan is limited to FHA loan limits for the county.Also includes mortgage insurance premium just like a regular FHA loan.203k takes longer to close that a regular FHA loan, which can impact the strength of your offer.

Our insurance agent was working on getting us some sort of blanket policy that covered up to the purchase price only, but he's having difficulty because we often have mobile homes.

Medicaid issued AL allows for housing, insurance, guardian and attorney fees if any, and a PNA, and community spousal allocation if applicable.  

Taxes, insurance, vacancy, eviction costs, repairs, maintenance, property management, accounting, etc. 

I've looked into them in the past as they would work well for me with low money down, i heard before that you had to pay monthly loan insurance(think it was around $100) and got nervous about it cutting into my cash flow to much.

Tom Lipps The tittle company will make sure the taxes are cleaned up as they provide the tittle insurance.