I did it with 0 soldering experience,a crappy solder sucker and a 10$ walmart soldering iron, and it sucked. With proper tools ( assuming the leads on the switches aren't bent, I think it should be very doable.
This was me as well. I read a lot of people saying how easy it was, and I'm usually pretty quick to pick up on stuff like this, so I thought I would give it a shot. I ordered a Solder Sucker from Amazon, and a $15 Home Depot soldering iron. It was a huge pain in the ass and I ended up ruining the PCB. I accidentally pulled out a few of the metal contacts, and scratched the PCB a couple of times trying to get the switches out. Thankfully it was just a practice PCB, but I would have been kicking myself if it were an actual keyboard.
As mentioned, if you have the right tools I think it would be much easier. But my issue was getting the solder OUT, as there would be just enough in there to keep the switch stuck to the contact, regardless of how many times I put solder back into the hole and sucked it out again. Very frustrating.
I'm sure if I had more practice, I would get better. But I see this question a lot and I usually advise people against playing around with switch transfer on your daily keyboard until you've had a little practice. I'm sure people will jump on me for saying that, but I just personally feel like desoldering is not a beginner's skill and probably shouldn't be attempted on your daily board unless you know what you're doing.
SOLDERING, on the other hand, is very easy and is actually pretty fun.