Carolina Rig setup question

[Fishnngolfn]

I have had some good luck with a modified Carolina rig setup as of lately. By modified, I mean that I am just pinching a weight directly onto the line about 12" to 18" above the hook. I know this can reduce line strength greatly. I am looking to have a spinning reel setup solely for carolina rigging so I want to do it correctly. This is what I was thinking of doing and you guys can tell if that is a good idea or give me some additional pointers.

I have 15# to 20# moss green braid on the reel. I then plan on putting an egg weight (size to be determined) on the line, then one or two plastic beads (not sure which color) and then a swivel. From the swivel, I want to use a mono or fluoro leader tied to a 3/0 or 4/0 hook with a weightless lizard or worm.

My questions are -

1. What # leader should I use? I heard that I should use less than the braided strength in case of hang ups. That way I only lose the setup below the swivel.

2. Does it matter what size swivel I should use?

3. Is there any weights that can be taken on and off the line easily so I can change the size of the weights without having to undo everything? Also what would be a proper size weight compared to the size of the lure?

4. Should I use different color beads? I heard that I should use tungsten beads because they make a loud clicking sound when they hit each other.

5. Is this an effective setup to use a 6" or larger lizard or worm for the big bass? I understand this is an "open to interpretation" question. I guess what I am asking is - Has anyone caught 4# or bigger bass with a carolina rig setup?

6. What are some good retrieve methods to use with a Carolina rig setup?

Sorry for the numerous questions. I just want to get it right.