https://www.walmart.com/ip/Zinus-Solid-Wood-Platform-Bed-Rustic-Pine/55576900
2.Queen size-Signature Sleep 10" Sunrise 5-Zone Conforma Coil Mattress - $170 or OBO
(Always used with mattress pad.)
https://www.walmart.com/ip/Signature-Sleep-10-Sunrise-5-Zone-Conforma-Coil-Mattress-Multiple-Sizes/24412495
3. Queen size mattress pad - $10 (only if you buy mattress)
https://www.kohls.com/product/prd-2460196/the-big-one-essential-mattress-pad.jsp?prdPV=2
Let me know if you are interested