Many themes have options that allow you to change the number of columns on the page very easily. Good commercial themes will generally have advertising management features built into them, as well, which make it easy for you to swap advertisement in and out of your sidebars and the other areas on your page. Utilizing these themes can make it a lot easier to optimize your page for advertising and to make certain that its easy to add and remove advertisements from your blog section.
Make sure you take into consideration whether any given wordpress themes your thinking of buying is advertised as a theme for designers or for everyday people. This should ensure that you either get all of the very sophisticated options you need or that you have the straightforward and easy to understand experience you want, in the latter case. Good word press themes also ensure that your blog content is presented in a form that is readable by the search engines, which is excellent for improving your position on the search results.
If your blog is monetized and you have advertisements as part of that strategy, you’ll want to make certain that you use a layout for your blog that gives you enough room at the margins to run however many ads you require. If you have a blog that is primarily about information and that doesn’t really have a commercial purpose, a two column layout gives you a nice option and means that you have a wider space for your blog entries and will still have plenty of room for widgets and other sidebar elements. Footers, headers and other variables also play heavily into the best layout for your page.
So overall you must choose a premium wordpress theme to enjoy all the features and future updates.