Less than the total spent on Qes saving the banks
your home my home everybodys home
You could take out a mortgage on a second home to payoff the mortgage on your primary residence if you have sufficient equity. I guess the question would be, why would you want to do that? Generally, you are going to get better terms on a mortgage for an owner occupied residence vs. a 2nd home all else being equal.
One can find current home mortgage rates from: Money Supermarket, Money Savings Expert, Which Mortgage Advisors, Bank Rate, Mortgage News Daily, to name a few.
Someone might refinance a home or mortgage loan to take money off of the equity they have in the house in order to make improvements that will increase the value of the home. Another reason could be another investment that would make taking money out on the equity in the home worth it.
The purpose of a home improvement mortgage loan is to borrow money against the value of a house in order to carry out improvement work. Typically, this would be intended to increase the value of the house.
Some of the reasons for a mortgage refinance would be lower rates, to get additional money to eventually buy a home somewhere else or even to consolidate two mortgages.
This depends on how much money you are borrowing on a mortgage. If you have a small mortgage, ie you have borrowed very little and are insuring a big house in a high risk area, the home insurance could be higher but generally most people would be spending thousands per year on mortgage and hundreds on house or contents insurance.
You still owe the money to the mortgage provider.
I really recommend calling your mortgage company to ask.
The advantages to taking out a second mortgage on your home is that it gives you a little extra money to work with. Some people will take out a second mortgage on their home if they need to make improvements on their property and don't have the money to do so. It will also help you to create a home equity line of credit.
they will take the home away
A situation that would require a mortgage refinancing or cash out would be to obtain a better rate or borrow money against the home. The site named Discover has a nice calculator to help with the calculations.