Trip on over to the Vintage Sewing machines section of this QB board:
http://www.quiltingboard.com/vintage...thusiasts-f22/
Save your money for fabric: By a vintage machine.
I am very biased - I've got around 17 vintage Singer machines, some going back to manufacture date of 1919 that are still sewing.
For piece work all you need is a straight stitch machine and a 1/4" foot.
Save your money for fabric.
(stepping off my podium now........
)
Shari