Lorin, you've done VERY well for having your shop open on Etsy for just one month ... today! Happy one-month-Etsyversary!
You said you will be keeping a lookout for sales in your shop, so I'm assuming you have a smartphone or iPad or something similar so you can check your shop throughout the day. The reverse is important too ... if you sell something at the show, be sure to remove it from your shop ASAP! I generally deactivate the item at the show (just in case the shopper might want to return it, which hardly ever happens), and then actually delete it when I get home after the show.