First off, you are going to love the LS. There are a lot of haters out there, but it is well worth the money. My suggestion, try to set a budget and keep to it. There are numerous rabbit holes you can go down along the way that get expensive (I got caught in a couple of them).
Shamless plug, I have a Youtube channel that document my build and LS swap. It's at
https://www.youtube.com/rustywrenches
This forums is a great resource with lots of great information and people. If you feel like you are stuck somewhere, I can guarntee the answer is somewhere on these forums. Don't be afraid to ask questions, someone will answer them.
-Nick