Yes, but I make loads as well. I tend to make jokes out of them when people point them out, as a trawl through the threads will show; most recently spelling friends as 'firneds' in the bar.
So, moving on...
Talking of spelling mistakes...
"Well afetr failing my driving test once I felt quite normal. After failing for a secong time it was mildly embarrassing but after failing for a third time I am officially inept!"