Advice that truly needs to be followed

Advise I read on line: Don't buy the house; buy the neighborhood. You can also upgrade the house.....

"Damn I really should've kept that car."
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I heard my dad say that once xD

I really want to print this out and put it on my wall.

If you say 'yes sir' or 'no sir' sarcastically it's pretty disrespectful....

No disrespectfull was to say yes sir, no sir? I guess he's never talked to a cadet or a freshly commissioned Second Lieutenant.