I use rotisserie motors, you can buy them new for about 20 dollars, or check estate sales, flea markets, or yard sales I got 6 at an estate sale for a buck and sales tax.
also try posting for one on your local
The Freecycle Network or
Sharing Is Giving both are web sites ( Yahoo Groups ) that allow you to ask for something for free and if someone has it laying around not being used they will give it to you free. Ive gotten trolling motor, a truck, and all kinds of stuff free.. Ive also givin away all kinds of stuff my self costs you nothing to join either group all is free
