I'll look into both sites, thanks for the tips.

As far as what I use my credit card for...

I currently have one credit card (visa gold I believe) which I've had now for the last five years and is on a joint account with my parents, or at least it used to be. I use this credit card for any and all of my purchases, and I often try to use my credit card as opposed to paying cash when possible. I receive one point for every two dollars spent, which isn't great, but I have very few expenses and the card has no annual fee.

I've read that the cards that offer points transferable into miles programs have the best signup bonuses so I'd be looking into slowly acquiring a few of those purely for the signup bonuses and cancelling them before the year would be up to avoid any yearly fees. Maybe I should look into getting a new primary card as well, but I wouldn't cancel my old one not to destroy my credit history.