Redundant smoke alarms -- those installed by the electrician (hard-wired and required by code) and those installed by ADT
Walls are peppered with Post-its marking spots for paint touch-up
Time Warner is running cable to restore service. In putting electrical service underground from pole to house, the electrician included conduits for phone and cable. Time Warner was unsuccessful feeding the cable through the conduit. Fortunately Jeff the landscaper knew that trick and pulled the cable some time later.
