Square is Awesome. Its quick, and easy to use. Word of advise, If you are using the regular swipe reader, and you run a chip card, you are NOT protected if the card is fake. If it has the Chip...use the chip reader for your protection.
Payments thru Square are in my account within 2-3 days after the sale. I can look back on a day, a month, or a year and see what my CC sales were, what my sales tax charges were, and much more. It allows me to keep track of what items I sold, and so much more info.
I have had Square for 2 years, I originally got it for a show, planning to do more, and though I have so far only done the one show, I have used Square for payment from sales at work, and through personal contact. Extremely convenient.