+1 for all that although I'd be tempted to get the billing info on sign up and offer a 'throwaway' good deal for the uncertain, so, say $50 a month, or try 10 d

+1 for all that although I'd be tempted to get the billing info on sign up and offer a 'throwaway' good deal for the uncertain, so, say $50 a month, or try 10 days for $3