I got this e-mail through today:

“Hi Graham,
Hope you are well.
Just a quick note about the problem using Laybot with GHB. Betfair allow a
person to have more than one account as long as the bank details are different
so I run GHB on one betfair account and will use Laybot on my second account –
problem solved!
Sorry if that was painfully obvious but some people may not have thought of
that who read the blog.
Cheers mate, keep up the good work!

Err.. I didn’t actually know that myself so thanks a lot Joe. Time to go set up another Betfair account!