Yes, you can switch before March 10. If you switch to a more expensive event, you will be charged the difference. From March 10-March 20, you will be charged a change fee of $15. To switch, email firstname.lastname@example.org with “Change of Event” in the subject line. No refunds will be given for “downsizing” your event. No swaps will be permitted on March 20 or 21st.