Call different locations to see if you can get better pricing for your project or on the repairs. See if they will make you use their parts or if you will be able to go out and buy parts for them you use in the repairs that they will need to do. It does not hurt to ask and to can only benefit you.
Go to different websites in regards to appliance repair and see if they have advice or suggestions on what you can do to help lower the cost of the repair or if there is a way for you to actually do the repair yourself. It does not hurt to look or to see what the options are.