There is always that moment when you are on vacation, and you open your suitcase in disbelief because you completely forgot to pack the most basic items. I continuously bring 7 dinner dresses, yet neglect to pack a brush. Some things are intuitive and others are more of an after thought. Here are all the items I wish I packed before heading to Mexico and the ones I remembered as an added bonus:   A Zip Lock Bag or Small Waterproof Container For day trips, swimming in the ocean or hanging out by the pool. This is a handy thing to have. Having a water resistant place to put cash,…