Use lots of newspaper to cushion glass items
Don't pack boxes too heavy, completely fill each box. Uniformly sized boxes stack easier and conserve storage space.
Mark content of each box
Don't store electronics that can be damaged by extreme temperatures.
Leave a small airspace between items and the wall for ventilation.
Store items not needed to the rear and items you will need access to toward the front.
Store heavy items on the bottom and lightweight items on top.
Clean and dry all appliances. Store upright with doors ajar.
Store pillows and stuffed animals in plastic garbage bags.
Place linens, towels etc inside dresser drawers.
place blankets over furniture to protect from scratches and dust.
Drain gasoline and oil from all small engines.