If you want to make a setting that forces all letters typed in multitext objects to be capital letters, just open a multitext object, and while you are in the multitext editor, right-click to get the shortcut menu, and click on AutoCAPS.
Here is a tip about a truly useful application of the grid feature in AutoCAD–for organizing text objects in a column.
Here is a tip that will make one of the most common CAD tasks, trimming two lines, go quicker and easier. There are three basic AutoCAD trim commands you can use to trim two lines: TRIM, FILLET, or CHAMFER.
The Zoom Extents command provides a great test to judge the orderliness of your drawing. Ideally, there will be very little empty space visible in your work area after executing the Zoom Extents command.