Here's a list:
ADCO Travel Trailer Cover - never used. Fits up to 20-feet travel trailers. Tyvek Top bright white. Breathable Polypropylene sides with zzippers to accommodate side door entryway.
Paid $274.39 in 2010
Also, used stationary bike trainer. Just put your road bike on it and keep yourself in shape for the winter. $25 or best offer.