Slightly OT: AutoCAD LT
Bdbdbuck & Rick Fitzpatrick,
Well, well, well! Another couple of guitar-playing drafties
I find that the latest releases of AutoCAD have suffered from the 'bloatware' syndrome: So many features - so little used - so much disk space eaten.
That's really why I'm perfectly happy using AutoCAD LT. Simple, straightforward and does nothing (other than rudimentary 3D) that I don't use. Also the editing screen is larger due to the non-appearance of the button bar at the bottom of the screen. Bonus! You can't use a digitiser with it, though. AutoCAD LT 97
does support a digitising tablet. I'm perfectly happy using a mouse & the floating tool bar in LT.
You can plot your drawings to plot-files and e-mail them off to your printing-house. But make sure the plotter in AutoCAD is the same plotter as they have. Otherwise the printed results may not be what you are expecting...
You can also export DXF Files that can be imported into any other CAD package. Be aware though that font files, line-types and tolerancing information will be lost. You should also attach the appropriate files with your drawings (lintetype, fonts, hatching).
Tolerancing is one of the traps that you can fall into importing CAD files into an existing drawing. Whatever your current Settings/Dimension Style/Text Format is set to is how the dimensions are displayed! Be careful of that little pit-fall! It can lead to MAJOR embarrasment!

It may not be an issue with house plans, but in my line of work it is very important!
I use an Epson Stylus Color 3000 at work that is capable of printing A2. So my max drawing size is set up as A2

I set up all of the pens to print in colour 7 (black) irrespective of the colour shown on the screen.
Start another thread "OT: AutoCAD" if you wish to pursue this topic further.
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BluesMeister