Interest Only Mortgages

Interest-only mortgage will become of me, return or invest?
I have an interest-only mortgage – is currently in a very low monthly fee – now I am able to pay this, but worth investing in place and where? is 50,000 pounds and is in a period ten years.
Make a cost-benefit-What if the economy (stock market), but again interest rates rise to 7% (or above) how much it will address the amount paid. Rates usually remain low forever. "Its benefits cover the difference? Will you lose your investment and increase prices? Get a fixed rate lock in@5.5% then invest.
Personal Investment & Loan Tips : Interest-Only Mortgage Tips