Just some rough math: If you buy an oak 1x4 from Lowes, 8 foot long, it might cost $25. That is about 2.6 board foot, so $9.4 per foot. You can buy rough cut oak for $2 - $4 per foot. Plus what Steve said about making the board whatever thickness you want.
I bought a used one, and am very happy I did. Mine is not a great quality tool, but it really opens up a lot of options.
I bought a used one, and am very happy I did. Mine is not a great quality tool, but it really opens up a lot of options.