Homeowners can now use fine wine to repay their mortgage following the launch of a new investment product.Premier Cru Fine Wine Investment has launched a new product which invests in fine wines, dubbed Home Cellars, which people can use as an investment vehiclealongside an interest only mortgage.The group said growth in fine wine generally exceeded other investments, addingthat there was a long history of stability in the fine wine market.It said £10,000 invested in fine wine in January 1990 would have been worth £89,760 in January this year, while the same sum invested in the FTSE All Share Index would be worth only £39,145………………………………………………….