I’d call this an easy replacement to be honest. Pulling the tape back is the hardest part. I didn’t disconnect the battery for mine (as some reviews said that could cause shorts as much as not disconnecting it), and things went just fine. All together, replacement took me less than 10 minutes from start to end, and things work great now!
I second this. My old computer started having bluetooth issues and I needed more power, so I bought a new one and gave the old to my wife. WiFi went out shortly thereafter. PRAM resets worked for a few minutes, but never very long. Replaced the ribbon (very easy, a bit cheaper), and bluetooth works great now, and wifi too. I would try the ribbon first (cheaper and much easier to do).