Has she left any other contact details on the thing she is selling!!! (phone number)!!! Thats what i normally do when i dont wont to use ebay to buy an item!!!
Well i did think it was hard at first but the best bit of advice i got was to shift your weight with the bike dont lean back to far!!! Hope that helps!!
Our local bikeshop in liskeard is starting to stock alot more trials bike parts and bikes!!!! Mainly because loads of people in liskeard have started trials biking!!!!