There is no way to pay " to have state come with Federal." That's not an option. The 2 types of refunds come from 2 different tax agencies doing their own thing. If they arrive on the same day, it's just a heckuva coincidence.
You can monitor your Federal refund here:
http://www.irs.gov/RefundsYou can monitor the status of your State refund here:
https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refundYou can use this tool to be sure the Federal and State returns were both accepted:
https://shop.turbotax.intuit.com/efile/efile_status_lookup.jsp
