WHAT. THE. FUCK!!!!!!
First of all, if you're asking for surgical advice on Newschoolers, A SKIING FORUM, you should NOT be doing this. Are you fucking serious? Why in the fucking hell would you ask a bunch of 13 year old advice on how to do surgery, LET ALONE ON YOURSELF. WITHOUT ANESTHETICS!!! Feeling pain is not a problem, it can be suppressed. NOT feeling pain is — it's your body telling you you're doing something wrong and that you might want to stop it. In this case you have ZERO clue about what you're doing, and to not be feeling pain during your procedure is potentially lethal because you could seriously fuck something up and not notice.
To top it off you can't even see the location you're operating on clearly, and by straining your neck to improve visibility you will be using muscles and the skeletal structure in that area — meaning the position of the systems you are operating on, will not be the same as the position they are in when you are relaxed. Clearly you do not want to be in a situation where you close yourself up (if you can even get to that point, which I bet my left nut you won't) and realize you've tightened the screws too much, altered the position of your bones/muscles/nerves etc. etc. Being uncomfortable in that case would just be a luxury, you'd be looking at a whole different set of more serious problems, guaranteed.
I can also guarantee you that you will get infected. All these kids talking about warts, they don't have to cut into the skin and compromise the immune system to reach their objective because their issue is with the outer layer of the skin. Yours, is quite a bit more serious than that. While I do understand surgeries can be expensive, I promise you if you end up doing this you will pay more to fix your mistakes in the future than the surgery itself. Let's say you save $50,000 doing this, but get infected: a trip to the hospital and a couple surgeries plus drugs and the costs of staying in the hospital for at least a week due to the infection would be $150,000, $200,000. (I'm just guessing numbers here, but you get my point) Bottom line, you may think you're saving money but you will pay for it in the future, and it will cost a TON more.
I know insurance companies in the states are a bitch and a half and they're pretty much Satan's long lost brother, but going through with this just to avoid paying is NOT worth it trust me. If it's really serious see if you can get family & friends to pitch in, or maybe even see if universities/colleges would do it for you as a "case study" or something. There is always another way and I'm more than happy to help you brainstorm ways you could do this, but please don't do this yourself.