That’s right, you can actually start accepting credit and debit personally from your own phone. Intuit’s GoPayment is a combination of app and hardware – sign up for the app, and you’ll receive a small card swiper that plugs into your iPhone’s headphone port. You can manually enter card information through the app, too, but where’s the fun in that? If you’re going to use it to run a business, your customers will be happy to know that the app doesn’t actually store any sensitive information, though it will give you a transaction history. Receipts can be sent via text or email. The app itself and the card swiper are both free, but Intuit does charge a small fee per transaction. If you’re a high-volume seller, you can opt for a monthly plan that gives you lower rates. Regardless, it sounds more like a fun way to hassle your friends when they can’t pony up the cash they owe you. Check it out for free from the iTunes App Store.