This is my fifth build but my first attempt at building a bass.
I have noticed a few comments about staining. Some saying the stain wont take or takes too well. One thing I've learnt in my past builds is sand, sand then sand some more. If the stain isn't taking, it's probably because of glue residue and nothing to do with the timber, so sand, sand, sand.
I usually start with 180 grit and work up to 1200. I don't see the need to start any lower unless the finish is complete shite. You'll find a nice smooth finish before staining will reduce "bleeding" and produce a much more even colour.
That said, here's my latest attempt. I made a few stuff ups along the way but nothing past experience didn't help me solve. The first minor stuff up was breaking one or two of the neck screws off during the mock up. (Sorry Adam, but your bolt on neck is now a set neck )