instand1 - 10:26 am on Feb 11, 2013 (gmt 0)
top or right position:
it depends on quality and bid: If quality of keyword, ad-text and landing-page is low, then you have to have an extremly high bid to get to the top.
For most keywords and products a position between 2 and 3 would be a good range. But there is no general rule: It depends on your market niche.
Just for ease of communication: When you write "ever" you mean "never"?
You can select the language and the area: If you advertise in Russia you would get many clicks, if your ad text is in Russian language. However the conversion to sales will be poor, if the webside is in English: Users will click and leave the landing-page, not buying.