Canon rebel EOS XSi ef-18-55is....novice question?

ok i dont know much at all about cameras, but i want a new one to mainly photograph my handmade baby items for my website, and also would love to take beautiful photos of my kids.i only have about $500 to spend. i was looking at this refurbished canon a href="http://shop.usa.canon.com/webapp/wcs/stores/servlet/product_10051_10051_222026_-1" rel="nofollow"http://shop.usa.canon.com/webapp/wcs/sto…/a experts what do ya think?