Exiting a contract - strategy?

[funkyd]

Its not your problem, ...good if its a month to the end of the contract then politely ask if they are going to renew. As for the handover, that isn't your problem. Taking on code from someone else isn't as big a deal as most people make out.

The client has learnt nothing in the last 18 months - I reckon only 1 of about a dozen projects has been completed - at least 8 programming projects have been completed and waiting testing for 6 months.

I guess it's just a case of leaving good documentation and if they call, smiling sweetly and raising the invoice