Mattress?

Honestly, amazon has been great for us! I use it personally and at my airbnb and guests always compliment it. Molblly is the brand I got and it gets delivered in a box. Easy peasy. Around $400 for King. I think last time they didn't have it on Amazon and I found it on their site directly. I think sometimes they change the product names, but there are lots of options, just look at the reviews.

I ordered my last two mattresses from puffy mattresses and they have been great. They always have a sale going on and it gets delivered to your door