the HPI Guarantee provides up to £30,000 (£15,000 for written off vehicles) reimbursement of financial loss you suffer arising from inaccurate or incomplete information we supply to you as part of the HPI Check
Given that they stand behind the information they'll provide you to such an extent that they even provide a guarantee:
Is £18 really THAT much to ask for on a purchase of what is probably several thousand quid?
cheers mate, dunno how i missed that thread =)