How to get food and water: They would camp close to where they could get resources e.g. near water streams and wear animals they could hunt.
How to avoid detection: Stay in small units.
How to keep your troops happy: Provide them with food, water, shelter,training and equipment that they need.
How to contact other Guerrilla groups: They contacted each other by letter, radio and signals.
How to obtain information about whats going on: Analyze the resources which the enemy has for trying to achieve that outcome- it means in men, in mobility, in popular support, in armaments, in capacity of leadership on which he can count.
How to plan for your future survival: Avoid any confrontation with large units of enemy troops, but seek and eliminate small groups of soldiers to minimize losses and exhaust the opposing force.