Lots of good choices are given here, and whatever works for you.
I save small parts for something to do one weekend as well as put l
Plastic on the floor and run cloths line for rod ends pulleys etc., as I have a bucket of ospho, water, and epoxy.
For big parts, I have a fish line and hook to hang.
Dip in ospho, then water, dry, dip in epoxy, and hang.
Bolts I punch holes in box and hand dip, so threads are not painted and set in box holes.
Let's of good ways to choose what's best for you.