About twice a year John and I trek over to Mount Dora to check out Renninger's "Extravaganza," a massive antique festival that almost defies description. It's like an outdoor flea market, except with old stuff, fair food, and over a hundred acres worth of shopping, which brings in sellers and buyers from all over the country. Even if you're not into antiques, this thing is worth a visit. It's like exploring the junk-filled attic of Warehouse 13 in there, you guys, and you never know what…