The simplest way to save your money is by installing weather strips to your door and windows with "V" seal type weather stripping.
The only rule is that the "V" should face outward.
This is meant to decrease the flow of the air in the house and keep heated or cooled air inside the house.
The longer the heated or cooled air kept in the house, the more you save your energy and money.
Closing the holes on the door and windows frames and around base boards will also prevent the treated air to go away from the house.
This technique is also effectively save the homeowner's energy and money.
The two techniques above can be done in about a week.
Do something for yourself and save your own money, then you can enjoy yourself on your couch.
There are also some other things that you can do to make sure that you save your money.
You can not remove your window and door frames and your baseboards because it can cause a large flow of treated air outside the house.
You can test it using your hand in the gap or a smoke pencil.
This little experiment will show you that your treated air really go outside your house.
Filling the gaps around windows and doors can dramatically reduce a bad air flow, then reduce your heating and cooling bill, in other words, save you a lot of money.
You will see the result of this project in the second or third week.
Another source of heated or cooled air is the window glasses.
You had be better change your window glasses with high efficiency window at a really great price, or you may just cover it with clear plastic sheeting.
This method will give you the best result during winter; you will reduce a lot of heating cost.
These strategies will really save your money which, maybe, you can use for buying a new couch.