How should we insulate the floor of a raised house in a flood zone to avoid moisture problems?

Moisture tends to condense on subfloors that are cooled by air conditioning in summer. Insulation can actually make the problem worse by keeping the subfloor cool. Although research is needed, there are several possible approaches to reduce condensation on the subflooring:
1. Make sure rain drains away from the house on all sides. Your yard should have a 5% slope all around the house.
2. Make sure the ground under the house is higher than surrounding grade.
3. Cover the …