34 Things You Should Always Buy on Amazon

Ashely Dull, editor-in-chief of CardRates.com, tells Reader's Digest there are four scenarios when you should always buy on Amazon, even if the prices are comparable elsewhere:

• Shipping is free
• Return-shipping is free
• You want to try on clothes before you commit to buying them, in which case it's worth considering Amazon Prime Wardrobe
• You have an Amazon Prime Rewards Visa, which offers 5 percent

Outside of those scenarios, you still can't go wrong with any of the following items. Meanwhile, get to know these 21 little-known Amazon hacks to make your money go even further when buying from the online giant.