There are so many from where I grew up (the South). 'Fixin' to' is one of them (e.g., "I'm fixin' to go to the store"). What exactly are they 'fixin'? There are so many...

The one that popped in my head first was spelling lose as loose. Alot of people use that spelling of the word and I don't get it

I actually overlook them unless it's in a professional setting... As long as the message is clear and unambiguous...

I make enough mistakes of my own so I haven't much to say about those of others.

Sometimes when I smoke I'll say things like "would of" instead of "would have" without realizing it.

All of them

When the boss spells yes wrong in emails...
looks like a NO… 🤔

Could of, would of, should of

People writing how they talk or writin lyk dis

They use ANYWAYS

Wrong use of an apostrophe.

Using words that don’t exist like irregardless.

The fact that English orthography has no unified system and merely mugs other languages to steal their vocabulary and grammar.