sales/quote (customer/address catalog/product):
  shipping_method: flatrate_flatrate
  payment_method: checkmo
sales/quote (catalog/product customer/address):
  shipping_method: flatrate_flatrate
  payment_method: checkmo
Add product to quote before addresses, fixes order/quote item price and and order/quote grand total
Add product to quote before addresses, fixes order/quote item price and and order/quote grand total
