If you pay your property taxes and homeowner's insurance directly to your county and insurance carrier, leave those fields blank.
Otherwise, if the property tax and homeowner's insurance payments are included with your mortgage payment and paid to your mortgage payment servicer monthly, enter property taxes and homeowner's insurance in the fields provided.
In either case, if you have a PMI, Private Mortgage Insurance with your mortgage, enter that PMI payment amount in the PMI field provided.