I myself found an answer to this problem. This plugin does all the fings to track carts in your Woocomerce eshop:
http://www.woothemes.com/products/woocommerce-cart-reports/
Thank you GosserBox. That solves all the problems. Use Woocommerce Pay for Payment it has way more features.
The author of this plugin should just delete this. Cause this plugin only makes problems for people…
https://wordpress.org/plugins/woocommerce-pay-for-payment/
Bump. Anyone? Any ideas welcome.
As far as I know you can add unlimited amount of shortcodes in the page.