1. First-come, first-served, NOT First-come, first-serve.
2. Sneak peek, NOT Sneak peak
3. deep-seated, NOT Deep-seeded
4. Exact revenge, NOT Extract revenge
5. I couldn't care less, NOT I could care less
6. shoo-in, NOT Shoe-in.
7. Sleight of hand, NOT Slight of hand.
8. Homed in, NOT Honed in.
9. Bated breath, NOT Baited breath.
10. Peace of mind, NOT Piece of mind.
11. Whet your appetite, NOT Wet your appetite.
12. For all intents and purposes, NOT For all intensive purposes.
13. One and the same, NOT One in the same.
14. Make do, NOT Make due.
15. By and large, NOT By in large.
16. Due diligence, NOT Do diligence.
17. Piqued my interest, NOT Peaked my interest.
18. Case in point, NOT Case and point.