I review phones for a living, and these best Amazon Spring Sale deals are worth it

I've browsed through hundreds of phone deals in Amazon's Big Spring Sale, and these are the ones you should most consider.

Reviewing smartphones for a living might not sound as charming as being a surgeon or Michelin star chef, but doing so gives me one unexpectedly useful advantage: finding phone deals that are actually worth it. Whether a trade-in promotion from a carrier or a discount on an unlocked phone, I've seen the best and worst during each major commerce event.

Also: The best Amazon Spring Sale phone deals 

If you're now eyeing a new phone to upgrade to, Amazon's Big Spring Sale event is worth checking out. Over the past few days, I've seen hundreds of Apple, Samsung, Motorola, Google, and other handset offers, and I can count on my fingers how many of them are actually a good deal. I've ...