8. Need: Video Monitor
You may think you can make do with an audio only baby monitor, but nothing gives you peace of mind quite like video. If you ever plan to sleep train, being able to peek in on your baby without setting foot in the nursery will be a huge help. You can see if your little one is just fussing or if they're actually in distress. It's absolutely worth the upgrade. 

Infant Optics DXR-8 Video Baby Monitor. $165.99. Buy it here.