Please capitalize where necessary: how you send a proposal, invoice or estimate speaks volumes about you and your company.
A: How you send a proposal, invoice or estimate speaks volumes about you and your company.

Q: and this remains our core business. the story begins in 1939 on the jutland heath.

A: And this remains our core business. The story begins in 1939 on the Jutland heath.

Q: what if google folds? what if they do evil things with all of it?
A: What if Google folds? What if they do evil things with all of it?

Problem: welcome to the massive action of micro racers world! choose your car model and track, then push your driving skills to the limit!
Can you repeat this sentence, but capitalize it?
Answer: Welcome to the massive action of Micro Racers World! Choose your car model and track, then push your driving skills to the limit!

Text: it may sting a bit, but that passes soon.

Correct capitalization: It may sting a bit, but that passes soon.

Q: the good news is that the visual editor does not screw up your div tags by replacing them with p tags. however, it does remove any tags [...]

A:
The good news is that the Visual editor does NOT screw up your DIV tags by replacing them with P tags. However, it does remove any tags [...]