Hahaha, no paypal for me, I just arrived here just like you, but you can support the website, there was a paypal link on Edhawk signature.
No for the post installation, it is basically like doing the key. Making your SSD's EFI bootable with right kexts, drivers and SSDT. Also, some kexts will have to be installed on the system's library. Edhawk already mentionned Lilu & Whatever green. From now on when you'll read about it, people will mention : install xxx.kext in S/L/E or L/E. What they mean is that they are two Libraries at the root of your drive. One in the system folder, and on directly on the drive, and the E is fort Extension inside these folders.
You might run into some problems that will need you to play around with your config sys. So once you can boot directly to your ssd, make a copy of the efi, so in case it stops booting you will have access with your pendrive and you can simply reinstall the EFI that worked.