Add or replace GFCI outlets. Properly working Ground Fault Current Interrupter, or GFCI outlets are tremendous safety benefit. A ground fault circuit interrupter (GFCI) or Residual Current Device (RCD) is a device that shuts off an electric power circuit when it detects that current is flowing along an unintended path, such as through water or a person. GFCI's save lives.
Upgrade to lighted light switches
Install and maintenance of smoke detectors such as installing, and replacement of fixtures and their batteries
Improvement and maintenance of lighting replacement of fixtures and upgrade to LED lights