I have a few videos on how to change power window motors and regulators; this might help save a little money.
https://www.youtube.com/playlist?list=PLx4vVC-Jkeaoa38_RFVdX70XIow2Thb4B
https://www.youtube.com/playlist?list=PLx4vVC-Jkeaoa38_RFVdX70XIow2Thb4B