Good stewardship and common sense will lead us to prepare. How much to prepare can get off track if we are fearful. If god leads you to prepare then do so. These kinds of plans will be different according to a persons call and sensitivity to heed personal instructions to you without declaring it Hods will for all saints. Peter was to prepare and learn to feed the sheep because he was to stay here a while, other disciples were given different instructions because Jesus knew they would be martyred soon.