Top vs Side Ads – Which is better?

Hi all,
I am working on an AdWord's campaign and I am looking to save money and raise the number of clicks I receive. I know that Top Page ads are more visible and gain more clicks, however they are more costly and run my budget out quicker. First page, side ads seem to be cheaper. Would this mean that a side ad would gain a higher number of clicks even if it was less visible?
Can anyone offer any advice on what I should do in order to make my budget last longer and to improve the number of…
Top vs Side Ads – Which is better?

See original post by photohead