Quick feng shui. Tips like this seem so simple but can really improve your perception of your surroundings (for example, taking out the trash gets rid of any bad odors). Promoting these positive feelings and good energy is the essence of feng shui.
To keep negativity to a minimum, tuck a little bowl of salt in each room, out of sight. To keep from running out of money, keep an unopened box of salt in your kitchen cupboard (opening a savings account doesn't hurt either). :)