To answer your questions:
1) Who cares? It's trivial. If the expense of the business cards is enough to trip you up, you've got bigger problems to focus on.
2) Double-check the spelling. (You misspelled "brake fluid" above.)
3) Choose a name that will resonate with your customers. Make sure it's easy to say and spell. And, try to get one with an available domain name.
To answer your questions:
1) Who cares? It's trivial. If the expense of the business cards is enough to trip you up, you've got bigger problems to focus on.
2) Double-check the spelling. (You misspelled "brake fluid" above.)
3) Choose a name that will resonate with your customers. Make sure it's easy to say and spell. And, try to get one with an available domain name.