How much does heat grease cost for a intact winter ? (for a trailer )? My husband said it will be expensive.

My husband said it will be expensive.
How normally do we replace things that later...
Answers:    we lived in 2 trailers earlier we got our investigational house.It will cost at least 600.00 to a 1000.00 for the winter.Heating grease is up this year.Here are a few tips to save you some money.

Storm window
or
Plastic over the windows
or
covers over the window
leave your blinds sympathetic when it is sunny out to let the steam in.
Turn down your thermostat to 68
**** wholes and crack contained by the house and around the windows