I know it's probably not what you want to hear but if you're not comfortable with doing it yourself, knowing you may not be happy with the results, I'd take it to a pro. It'll cost a bit more but it's more likely to be done right. Also, if it fails you have someone to take it back to for a fix.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.