Are your entryways ready for winter? Stock up on slippers when people come into your home. Have a neat place for people to put their shoes. Be sure your entrance matt is large enough.
Winter is cold but it's also dark. You can help bring in the light by: cleaning your windows now, and strategically adding a lamp or two.
(These winter prep ideas are from:
Are your windows and doors sufficiently leak-proof? Putting clear plastic over your windows is easy enough to do. Any hardware store will have a kit that you can use. All you need is a hair dryer to heat and shrink the plastic once it's taped up.
How's your fireplace lookin? Now's a good time to give it a cleaning. Also check the flue and any doors and shields to see that they are all in working order. And does your chimney need a sweep?