Metal building condensation
cheap low cost no cost will be to get whatever is on the ground up on pallets (free all over) ,your in a notoriously damp humid area so air movement is key . The gable vents are going to help as long as you can keep the air flowing in the same direction , several box fans strategically placed are your best bet , absorb what moisture is present and surface coat liberally with oil based product as wd40 or.....get off ur lazy arse n et in gear slacker:burnout: