This Knowledge Base article by Boston Linden explains all you need to know about moving a build. The article comes with a number of video tutorials. Click the link to go to the page.
Directly from the Second Life Knowledge Base, a number of video tutorials with tips on how to build in Second Life. The page covers topics such as the coalesce feature. sandboxes, moving a build and more. These tutorials are aimed to beginner residents. Click the link to find a full list of tutorials.
Everything you need to know on how to use the build tools from the Second Life Knowledge Base.