Ferber method - any success stories? Advice?

I’m considering the Ferber method to train my 5 month old to sleep in the next to me crib. I’m happy to wake up throughout the night and feed him as many times as he needs but just need to be able to put him down. I have cuddled him and had him next to me in bed or on me since birth but now as he’s getting bigger (and much heavier!) and starting to roll, it’s not safe. One of my biggest concerns is what if he is traumatised or it changes him? I was wondering if someone who has been through this process could give me their thoughts on this and any advice, tips?

No hate please. Thanks