Most FTO's have an excess which you have topay if you bend the aeroplane. I think you can pay an excess waiver on top of the hourly rate to get yourselfout of the excess, which can be upto $5,000.
Also you MUST tell your travel insurance company thet you will be flight training, as they consider it a bigger risk i.e.you have topay a bigger premium when you go ski-ing abroad etc.
Even if you have a dental problem and your insurance company finds out that you are flight training and you have not bought the appropriate policy, your insurance will be null and void!!
Trafford's do a "flying training insurance" which covers everything, there are excesses added to each claim as with all policies. Can't remember their email addy, try a search under google.
Good luck
Got
http://www.traffordsinsurance.co.uk the web address, open the web page then click on "aviation" then click on "travel".