Im sure that if your friend has 40 properties then hes fully aware of what could happen should house prices crash. If hes got them all mortgaged then as long as his rental incomes still covered the mortgages then nothing would happen, he might just have negative equity.
i'm quite amazed at your contrast of questions henrys'
your last one was,
:-how many metres
in a piece of carpet
10X17&1/2 feet
incredible contrast to say the least.
stay out of this one ms squires lol