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@tve
I think the other two items that can dramatically help soldering is a flux pen and a spun brass "sponge" to wipe the soldering iron tip. The flux really helps clean stuff and make the solder flow, specially if you've goofed and messed around on a spot for a bit and all the original flux is gone.
The brass tip cleaner is amazing, I only recently discovered it and had always used wet sponges in the past. It's like night and day to clean the tip!
Finally, every time you set the soldering tip down, apply a dab of solder so the tip doesn't oxidize and then wipe that off on the brass later when you pick the iron up again.