Remove "Add to Cart" buttons from Magento

Task Time: 10 minutes

1. Edit /app/design/frontend/default/default/template/catalog/product/list.phtml
2. Look for the two instances of the button containing: $this->getAddToCartUrl($_product)
3. Either comment out this code or wrap it in a conditional statement
4. Do the same for /app/design/frontend/default/theme037/template/catalog/product/compare/list.phtml
5. Edit /app/design/frontend/default/theme037/template/catalog/product/view/addtocart.phtml
6. Look for the fieldset with the class "add-to-cart"
7. Either comment out the entire fieldset or wrap it in a conditional statement
8. Edit /app/design/frontend/default//layout/checkout.xml
9. Look for the block with the name "checkout_cart_link"
10. Comment out the entire block
11. Disabled mage_checkout module in system->config->advanced
12. Refresh your cache by going to System->Cache Management

You can use this method to test if the user is logged in:

$this->helper('customer')->isLoggedIn()

Reference:  http://www.magentocommerce.com/wiki/price_on_application