Saw your mention of considering a flatbed. I'm selling one that might be worthy of your consideration. It is well kitted beyond what FWC typically offers. There is considerable storage, particularly under the bed. While OEV does offer underbed storage add-on it is much shallower and less storage than in the FWC.
https://www.expeditionportal.com/forum/threads/fs-fwc-hawk-flatbed-camper.234745/
https://www.expeditionportal.com/forum/threads/fs-fwc-hawk-flatbed-camper.234745/