How to build a cool house :)
1) Build the physical house walls, floors, etc DO NOT BUILD DOOR OR SIGN
2) use the .extract command to make a text file of your components use this format
to do so .extract myhouse.txt
3) Open multi scripter and hit load script, load the text file u made, then
name your house and put a buy\sell price on it 
4) hit the patch multi button
5) hit create script button
6) copy script shown in window into a script file and name it put in scripts folder
in sphere.
7) ok now reload sphere and add your house, add the doors in now then hit
.extract again
8)run the new script through multi scripter and create the script. 
9)DO NOT COPY ENTIRE SCRIPT, just copy the COMPONENT=0000,0,0,0,0
10)Open your house script file and add the copied line at the end of the component
section of your script. (RIGHT UNDER MULTIREIGON=0,0,0,0) and save script.
11) Repeat steps 7 - 10 with house sign. and your done!