It really is our responsibility to proof-read our posts, etc. ( i.e. - get it like we want it )
before we post.
The race-against-the-five-minutes - for me - usually happens when I post something - look at it - read it - and, somehow it did not turn out like I had in mind - even after using 'Preview Post' and proof-reading it before posting it. Even 'Preview Post' sometimes does not "do justice" for the final post - because, it does not render the post "exactly" like it will look when it is finally posted. ( The
width changes - which can alter what it will actually look like in the posted version. )
If you should post - only to discover that you will then need a lot more than five minutes to "make it right" -- copy what you have so far - delete the post - and start over with what you copied.