Whats the difference / What difference does it make / Matter & Care

Which or OK?

What the difference if your mom is here or not.
What difference does it make if she's here or not.
What does it matter if she's here or not.
What does it matter how I got here.
What do you care if she's here or not.
What do you care how I got here.

Could you tell me what you think of these please? MORE or AS MUCH or both

- He drives as well as his dad.
- The company made 3 times more money in 08 than 09./3 times as much money in 08 as 09.
- The water gets hotter as you go./The longer you stay in the shower the hotter the water gets.
- I lost all my money as I got unlucky when I couldn't have afforded to./when I could afford to.
- The more money you have the easier it is to succeed.
- The more clients you have the more annoying people you get.

Thank you