Top ten typos that you need to stop making

Spelling right isn't just for Grammar Nazis. It's for anyone who doesn't want to look like an annoying little prick.
Because you know what's more annoying than people correcting your spellings all the time?
That's right, your spellings themselves.

If you're not new to the English language, then I don't see why it's just so hard to spell words right. Some intentionally shorten words for convenience (not very convenient to the person reading it), and at other times, the typos are mere accidents; for which we have a backspace key. Use it.

I've seen enough typos to even compile my own top ten list.
Every time someone makes a typo that's on this list, my dictionary grabs a match and sets itself on fire.

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Presenting to you : My own top ten list of words that you need to stop misspelling.

10. Lose and Loose

Lose: Opposite of win
There's no way that I'm gonna lose the grand prize.

Loose: Not tight.
Turns out that the prize was a pair of loose pants.

9. Weird and Wierd

Weird: the 'i' comes after the 'e'.
This word is an exception to the I before E except after C rule.

Wierd: Every time you spell it this way, a dolphin gets run over by a jet ski.

8. Then and Than

Then: used for time
First I got high, then I tried to solve the Rubik's cube while eating an apple.
('then' indicates that one action happened before another. It separates events based on when they occurred)   

Than: used for comparison.
I am much better at eating an apple than eating a Rubik's cube.
(than compares my ability to eat an apple to my ability to eat a Rubik's cube) 

7. A lot and Alot.

A lot: Remember to leave a space there.
Don't forget that there's a lot of space in outer space.

Alot: is not a word.
You don't write alittle, abunch, akangaroo or adouchebag.
So don't write alot.

6. Weather and Whether

Weather: Snow, rain, sunshine, typhoons. All that crap.

Whether: Used this way :
Your correct usage of this word will determine whether or not I kick you in the balls.

5. Advice and Advise

Advice: is used as a noun.
Take my advice. I don't use it anyway.

Advise: is used as a verb.
If Arvind advises you on spelling, you must suck really bad.

4. Definitely

There is no "A" in "definitely".

If you put an A in "definitely", then you're definitely an A-hole.

3. It's and Its

It's: Contraction for "it is" or "it has".

Its: Indicating possession.

It's not fine to tell your dictionary that its the most unused object in the house.

2. Your and You're

Your: indicates that something belongs to you.

You're: Contraction of "you are".

You're really pathetic if your spellings suck.

1. Their, They're and There

This one is every Grammar Nazi's worst nightmare. 3 words that are spelled differently, but sound just the same.

Their: Their cow keeps eating the leftover casserole.
They're: They're gonna get a shovel to the face unless they keep that cow under control.
There: Look over there! The cow turned into an alien.

You can always use Google if you're not sure how to spell a word.
Bad spellings can also make a lot of what you write look very unprofessional, so maintaining a good spelling habit is a good idea is general.
It's even fine otherwise - You know, if the keys on your keyboard are floating around and switching places, you need not worry. Dyslexia is treatable.
Cheers.

(There were no blog posts during September because I had exams + I had way too many distractions to do anything even close to productive)

Source(s) : Personal experience, The Oatmeal.