squaring up units of a block as I go and not waiting until the whole block is together to square
use pins when I need them instead of just trying to hold it all together!
check my quarter inch seam with each new project--different threads do make a difference.
Sit up straight and hold my neck tucked so that my shoulders and neck aren't stress and achy --this one is very hard for me to do.
don't let my sewing room get so chaotic that I can't find things!