Buying a mattress online doesn't mean you can't test it before you buy. Here's what you need to know. Mercey Livingston CNET Contributor Mercey Livingston is a health and wellness writer and ...

That's why buying a cheap mattress just to save a buck often doesn ... The Motley Fool has positions in and recommends Costco Wholesale and Visa. The Motley Fool has a disclosure policy.

Then there is the bulk: this is by far the thickest mattress ... so being thrifty will really pay off,’ she says. Always buy the biggest mattress possible without making the room feel cramped.

This is arguably the most important factor to consider when buying a mattress, but it’s the hardest to quantify. Some of our writers and editors used sleep trackers or sleep-tracking apps to ...