I always jar my tobacco after opening it. If it is something that isn't in my regular rotation I may not smoke it all for months or years. Really just depends on how much I like it, or if I think it needs to mellow out for a few months.
Usually I push first time smokers towards a Perdomo ESV Connecticut. Great quality and light cigar that is available almost anywhere that sells decent cigars.
I usually put the tobacco in a glass bowl then cover with a moist paper towel. Wrap it in plastic and let it set for a few hours, or until your desired level of moist.