12 bolt question

[HEISEL]

First thing first im kind of a nube. Ive been looking around the site for the week link in on a 12 bolt. Ive got one under my 1972 k10 swb 4x4 and from what I've read it seems like the 12 bolt week link is the c clip. So this might be a nube question but y dose know one ever put a c clip elimanater on them? I'm only running 33s now and maybe 35s one day. I didn't do a lot of resurch when I got this truck and I ran out and got some nice 6 lug mt classic 2s. So I'm NOT going to go to a 14 bolt for a long time because I've spent to much money. Oops! I will eventually but not now. I do off road the truck but not hard core stuff. I realize the the 12 bolt is not the best axel but it can't be trash. So my questions are.....
1. Why dose know one use a c clip elimanater? I've found them for $150-$250
2. Is there anything else wrong with them. (for my application)
3. Should I just get a 14 bolt sf? Are they expensive?
Sorry for my bad choice but I'm stuck with it for now. Thanks for any help.
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