I DO HAVE A BIG R.V. BARN BUT IT IS REALLY NOT THAT BIG.. MAYBE 75 X 150 WITH A ONE BEDROOM APT. STUCK IN IT AND MY MUSEAUM UP STAIRS.. SO NOT MUCH ROOM FOR SELLERS TABLES -- DO HAVE A BASEMENT BUT IT HAS ALL THE KID GAMES IN IT,, AIR HOCKY = PING PONG - 2 COUCHES WITH THE TV VIDEO GAME SET UP AND THE SLOT MACHINE... SO ILL PASS ON THE CONVENTION PLACE