Reply To: What to buy

[herbfargus]

I just used SD formatter, then used win32diskimager to write the SD image then used raspiconfig to expand it to use all of the space.

https://github.com/retropie/RetroPie-Setup/wiki/First-Installation-(RetroPie-SD-Image-2.6)

The guide works for 3.0 as well. Most configurations can be done from the new retropie menu in emulation station. I have 3 or 4 microsd cards- I use smaller ones for testing and have a 64 GB one for my main setup. It was good for me to have a few because I corrupted one beyond repair. They are relatively cheap from Amazon.