1. The feature picture is ridiculously large. Could I resize it to certain size but affecting other post?
2. One of the sidebar is at the bottom of the post, but it does not belong to this page. I did not assign it to the page. In fact, the sidebar I really assigned to this post also appears at the lower part below the description of the product (which you can see some related products there)
3. All the changes I tried to make with Page Options are not effective.