Blogger.com which is very popular website for building blog and have given great power to people to write what they like or about their business. it's easy to operate interface helps people in writhing and the reading pane if some what customizable but the style if default . each and every page in template has a previous and next button. am i wrong ?
You can have 3 AdSense ad's in your blog . you have to be very care full in displaying those advertisement because if you don't place your ad's properly then nobody will visit. your blog.