Housing minister Grant Shapps has launched a new hotline to provide assistance for those interested in the Government's Right-to-Buy scheme.A dedicated call centre will provide advice and information to social housing tenants looking to buy their council house.Launched in April, the reinvigorated scheme offers eligible tenants discounts of up to £75,000 off the value of their home, with a national pledge that every additional property sold will be replaced with a new affordable home to ren...