Eighter used in a sentence

Eighter in a sentence as a noun

It's not universal eighter, but more than 50% of startups can start sales before coding anything.

" Guys who do stadium setups for televised sports are champion cable figure-eighters.

If you find a error in his theory, tell me, because for me it makes sense and everybody I asked just ignores him but could not tell me a error eighter.

Of course that is balanced out, I'm more likely to have a sick day on my weekend than an eighter and if there's a blizzard on my weekend I obviously don't miss any work.