'Gramical' pet peeves

Be prepared, all who enter here.

Yes, "grammatical" pet peeves was meant to strike a nerve. Like nails on a chalkboard, we try to avoid them and we dislike when others disregard them. Many mistakes are typically forgiven for informal settings, not always for professional works. Perhaps a part of those pesky pet peeves:

1. There, their, they're, to, two, too
These words sound the same but have different meanings. Knowing the difference between numbers, places, possessions, is essential for a well written work. Sure, others may still understand you but it may be better to avoid the embarrassment.

2. Me and So-n'-so
It is not necessarily wrong to mention yourself first but it may be interpreted as impolite. Like holding the door open, it is just more polite to let others through before yourself.

3. OMG, LOL, TTYL
English is contently evolving and texting has opened the language to many new "words" (please note the intended bias). Yes, these "words" can be found in Webster dictionary but they are actually acronyms of existing words (i.e. talk to you later). SMS language (text speak) was made collectively to make texting easier. Now that texting is easier there is no real need for these abbreviations or slang words, but they are still used today. It is best to avoid them when it comes to professional works and keeping them exclusively for texting (if you really must).