Hi, Jolene!
You are going to absolutely fall in love with your villa at
Disney's Saratoga Springs Resort & Spa! The resort is truly beautiful, with wonderful dining right on property as well as just a short ride or stroll away at Downtown Disney. What a Christmas treat!
Regarding benefits of staying at this resort on points, you'll be afforded many of the same amenities as a DVC Member, such as Trash & Towel service on the 4th day of stay, however, other perks will only be available to DVC Members who show their DVC Member card at check-in; those Guests will have "DVC Member" printed right on their Key to the World Card.
Initially, you'll be supplied with the usual bathroom items such as shampoo, conditioner, soap and shower gel, and can purchase additional supplies from Housekeeping for a small fee. (However, we've never had a problem if we saw a Cast Member from Housekeeping and simply asked for more of what we needed.) Tissues and TP will be provided, and you can surely request more of these as well, if needed.
Regarding your coffee supply, I suggest that you bring your favorite with you, although you can surely request more for a small fee (or purchase more at the shop on property) should you need to do so. I simply pack one or two coffee filters per day in a zipper bag, along with a freshly ground pound of my favorite brew and tablespoon. In fact, you can either check a box in at the airport (especially helpful if you have free checked bags) or ship one down to your own attention at the resort's address, should you want to send a few extra goodies along for your trip.
Send me another question including if you'll have a studio villa or a larger one, as well as if you're interested in shipping items to yourself at SS. I'd be happy to give you more information on your particular stay. I love to help!