Sing it with me: nanananananaBATTMAN!!!!!
Right-click context menus.
BYLAYER. BYLAYER. BYLAYER.
Rule of One: LTSCALE = 1, MSLTSCALE = 1, PSLTSCALE = 1
Did I mention BYLAYER already? Yes? Good.
IT/CAD support will NOT let you borrow or sign out a license for home use. Leave work, at work.
Software changes. Plan for it. Live with it. We're just along for the ride.
Backups are not just for DWG files. Back up the support files and installers as well.
Draw to an appropriate level of detail. Those cool curved louvers and internal details on the heater only make the file bigger and will never be seen at 1:30.
I put down BYLAYER, right?