You'll get a bill in the mail. Pay it ASAP. If you don't, they'll send collections after you very quickly. For some reason, they didn't charge my card I had on file a couple years ago. They sent me a bill right before Christmas and it apparently got lost in the holiday shuffle and didn't arrive until mid-January. I sent them a check immediately but within a week I had a letter from collections. It was a major hassle to get it cleared up. I had to send a copy of the canceled check, etc to prove I had paid my bill for them to drop the collections request and clear my credit report.